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*** February 15, 2013
*** By Jessica Mink, jmink@cfa.harvard.edu
*** Copyright (C) 1998-2013
*** Smithsonian Astrophysical Observatory, Cambridge, MA, USA
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Correspondence concerning WCSTools should be addressed as follows:
Internet email: jmink@cfa.harvard.edu
Postal address: Jessica Mink
Smithsonian Astrophysical Observatory
60 Garden St.
Cambridge, MA 02138 USA
*/
#ifndef _wcscat_h_
#define _wcscat_h_
#define MAXNMAG 20
/* Data structure for SAO TDC ASCII and binary star catalog entries */
struct Star {
float rdum;
float xno; /* Catalog number */
double ra; /* Right Ascension (degrees) */
double dec; /* Declination (degrees) */
double errra; /* Right Ascension (degrees) */
double errdec; /* Declination (degrees) */
char isp[24]; /* Spectral type or other 2-char identifier */
short mag[MAXNMAG+1]; /* Up to MAXNMAG Magnitudes * 100 */
double rapm; /* RA proper motion (degrees per year) */
double decpm; /* Dec proper motion (degrees per year) */
double errpmr; /* RA proper motion error (degrees per year) */
double errpmd; /* Dec proper motion error (degrees per year) */
double xmag[MAXNMAG+1]; /* Up to MAXNMAG Magnitudes */
double num; /* Actual star number */
int coorsys; /* Coordinate system (WCS_J2000, WCS_B1950,...) */
double equinox; /* Equinox of coordinate system as fractional year */
double epoch; /* Epoch of position as fractional year */
double parallax; /* Parallax in arcseconds */
double pxerror; /* Parallax error in arcseconds */
double radvel; /* Radial velocity in km/sec, positive away */
double dist; /* Distance from search center in arcseconds */
double size; /* Semi-major axis in arcseconds */
int nimage; /* Number of images for catalog position */
int ncat; /* Number of catalogs for catalog proper motion */
char *entry; /* Line copied from input catalog */
char objname[80]; /* Object name */
int peak; /* Peak flux per pixel in star image */
};
/* Catalog proper motion units */
#define PM_MASYR 1 /* milliarcseconds per year */
#define PM_ARCSECYR 2 /* arcseconds per year */
#define PM_DEGYR 3 /* degrees per year */
#define PM_RADYR 4 /* radians per year */
#define PM_TSECYR 5 /* seconds of time (RA) per century */
#define PM_ARCSECCEN 6 /* arcseconds per year */
#define PM_TSECCEN 7 /* seconds of time (RA) per century */
#define PM_MTSYR 8 /* milliseconds of time (RA) per year */
#define PM_ARCSECHR 9 /* arcseconds per hour (solar system) */
/* Data structure for SAO TDC ASCII and binary star catalogs */
struct StarCat {
int star0; /* Subtract from star number for file sequence number */
int star1; /* First star number in file */
int nstars; /* Number of stars in file */
int stnum; /* Star number format in catalog file:
<0: -stnum-character name at end instead of number
0: no star i.d. numbers
1: Real*4 star i.d. numbers
2: Integer*4 <region><nnnn>
3: Integer*4 <region><nnnnn>
4: Integer*4 <nnnnnnnnn>
5: Character ID instead of number in ASCII files */
int mprop; /* 1 if proper motion is included */
/* 2 if radial velocity is included */
int nmag; /* Number of magnitudes present
Negative for J2000 catalog */
int nbent; /* Number of bytes per star entry */
int rasorted; /* 1 if RA-sorted, else 0 */
int ignore; /* 1 if ignoring info after position and magnitude */
FILE *ifcat; /* File descriptor for catalog file */
char isfil[24]; /* Star catalog file name */
char isname[64]; /* Star catalog description */
int byteswapped; /* 1 if catalog is byte-reversed from CPU */
int refcat; /* Code for type of catalog (TXTCAT, BINCAT, etc.) */
int coorsys; /* Coordinate system
B1950 J2000 Galactic Ecliptic */
double epoch; /* Epoch of catalog coordinates in years */
double equinox; /* Equinox of catalog coordinates in years */
char inform; /* Coordinate format
(B>inary D>egrees H>MS T>able U>SNO) */
char incdir[128]; /* Catalog directory pathname */
char incfile[32]; /* Catalog file name */
int ncobj; /* Length of object name in binary star entry */
int nnfld; /* Length of star number */
int nndec; /* Number of decimal places in star number */
int nepoch; /* 1 if epoch of coordinates is present */
int sptype; /* 1 if spectral type is present in catalog */
int plate; /* 1 if plate or field number is present in catalog */
char *catbuff; /* Pointer to start of catalog */
char *catdata; /* Pointer to first entry in catalog */
char *catline; /* Pointer to current entry in catalog */
char *catlast; /* Pointer to one past end of last entry in catalog */
int istar; /* Number of current catalog entry */
struct TabTable *startab; /* Structure for tab table catalog */
int entid; /* Entry number for ID */
int entra; /* Entry number for right ascension */
int entdec; /* Entry number for declination */
int entmag[MAXNMAG+1]; /* Entry numbers for up to MAXNMAG magnitudes */
int entpeak; /* Entry number for peak counts */
int entepoch; /* Entry number for epoch of observation */
int entdate; /* Entry number for FITS-format date of observation */
int entname; /* Entry number for object name */
int entadd; /* Entry number for additional keyword */
int entrpm; /* Entry number for proper motion in right ascension */
int entdpm; /* Entry number for proper motion in declination */
int entpx; /* Entry number for parallax */
int entpxe; /* Entry number for parallax error */
int entrv; /* Entry number for radial velocity */
int enttype; /* Entry number for spectral type */
int entsize; /* Entry number for size of object */
int rpmunit; /* Units for RA proper motion (PM_x) */
int dpmunit; /* Units for DEC proper motion (PM_x) */
char *caturl; /* set if web search, else NULL */
char keyid[16]; /* Entry name for ID */
char keyra[16]; /* Entry name for right ascension */
char keydec[16]; /* Entry name for declination */
char keymag[MAXNMAG+1][16]; /* Entry name for up to MAXNMAG magnitudes */
char keyrpm[16]; /* Entry name for right ascension proper motion */
char keydpm[16]; /* Entry name for declination proper motion */
char keypeak[16]; /* Entry name for integer code */
char keytype[16]; /* Entry name for spectral type */
char keyrv[16]; /* Entry name for radial velocity */
char keyadd[16]; /* Entry name for additional keyword */
char keyepoch[16]; /* Entry name for epoch */
};
/* Data structure for tab table files */
struct TabTable {
char *filename; /* Name of tab table file */
int nlines; /* Number of entries in table */
char *tabname; /* Name of this table or NULL */
char *tabbuff; /* Pointer to start of saved tab table in memory */
char *tabheader; /* Pointer to start of line containing table header */
char *tabhead; /* Pointer to start of line containing column heading */
char *tabdash; /* Pointer to start of line with dashes after column headings */
char *tabdata; /* Pointer to start of first line of table data */
int lhead; /* Number of bytes before first data line */
int iline; /* Number of current line (1=first) */
int lline; /* Length in bytes of line buffer */
char *tabline; /* Pointer to start of current line */
FILE *tcat; /* File descriptor for tab table file */
int ncols; /* Number of columns per table entry */
char **colname; /* Column names */
int *lcol; /* Lengths of column header names */
int *lcfld; /* Number of columns in field (hyphens) */
int lbuff; /* Number of bytes in entire tab table */
};
/* Source catalog flags and subroutines */
/* Source catalog flags returned from CatCode */
#define GSC 1 /* HST Guide Star Catalog */
#define UJC 2 /* USNO UJ Star Catalog */
#define UAC 3 /* USNO A Star Catalog */
#define USAC 4 /* USNO SA Star Catalog */
#define SAO 5 /* SAO Star Catalog */
#define IRAS 6 /* IRAS Point Source Catalog */
#define PPM 7 /* PPM Star Catalog */
#define TYCHO 8 /* Tycho Star Catalog */
#define UA1 9 /* USNO A-1.0 Star Catalog */
#define UA2 10 /* USNO A-2.0 Star Catalog */
#define USA1 11 /* USNO SA-1.0 Star Catalog */
#define USA2 12 /* USNO SA-2.0 Star Catalog */
#define HIP 13 /* Hipparcos Star Catalog */
#define ACT 14 /* USNO ACT Star Catalog */
#define BSC 15 /* Yale Bright Star Catalog */
#define TYCHO2 16 /* Tycho-2 Star Catalog */
#define USNO 17 /* USNO-format plate catalog */
#define TMPSC 18 /* 2MASS All-Sky Point Source Catalog */
#define GSCACT 19 /* GSC-ACT revised Guide Star Catalog */
#define GSC2 20 /* GSC II version 2.2 */
#define UB1 21 /* USNO B-1.0 Star Catalog */
#define UCAC1 22 /* USNO CCD Astrograph Catalog 1.0 */
#define UCAC2 23 /* USNO CCD Astrograph Catalog 2.0 */
#define TMIDR2 24 /* 2MASS IDR2 Point Source Catalog */
#define YB6 25 /* USNO YB6 Catalog */
#define SDSS 26 /* Sloan Digital Sky Survey Catalog */
#define TMXSC 27 /* 2MASS Extended Source Catalog */
#define TMPSCE 28 /* 2MASS Point Source Catalog with mag errors */
#define TYCHO2E 29 /* Tycho-2 Star Catalog with magnitude errors */
#define SKY2K 30 /* SKY2000 Master Catalog */
#define SKYBOT 31 /* SKYBOT Solar System Objects */
#define UCAC3 32 /* USNO CCD Astrograph Catalog 3.0 (2009) */
#define UCAC4 33 /* USNO CCD Astrograph Catalog 4.0 (2013) */
#define TABCAT -1 /* StarBase tab table catalog */
#define BINCAT -2 /* TDC binary catalog */
#define TXTCAT -3 /* TDC ASCII catalog */
#define WEBCAT -4 /* Tab catalog via the web */
#define NUMCAT 33 /* Number of predefined catalogs */
#define EP_EP 1 /* Output epoch as fractional year */
#define EP_JD 2 /* Output epoch as Julian Date */
#define EP_MJD 3 /* Ouput epoch as Modified Julian Date */
#define EP_FD 4 /* Output epoch in FITS format (yyyy-mm-dd) */
#define EP_ISO 5 /* Output epoch in ISO format (yyyy-mm-ddThh:mm:ss) */
/* Structure for dealing with ranges */
#define MAXRANGE 20
struct Range {
double first; /* Current minimum value */
double last; /* Current maximum value */
double step; /* Current step in value */
double value; /* Current value */
double valmin; /* Minimum value in all ranges */
double valmax; /* Maximum value in all ranges */
double ranges[MAXRANGE*3]; /* nranges sets of first, last, step */
int nvalues; /* Total number of values in all ranges */
int nranges; /* Number of ranges */
int irange; /* Index of current range */
};
/* Flags for sorting catalog search results */
#define SORT_UNSET -1 /* Catalog sort flag not set yet */
#define SORT_NONE 0 /* Do not sort catalog output */
#define SORT_MAG 1 /* Sort output by magnitude */
#define SORT_DIST 2 /* Sort output by distance from center */
#define SORT_RA 3 /* Sort output by right ascension */
#define SORT_DEC 4 /* Sort output by declination */
#define SORT_X 5 /* Sort output by image X coordinate */
#define SORT_Y 6 /* Sort output by image Y coordinate */
#define SORT_ID 7 /* Merge close catalog objects */
#define SORT_MERGE 8 /* Merge close catalog objects */
/* Shapes for SAOimage region file output */
#define WCS_CIRCLE 1 /* circle shape for SAOimage plotting */
#define WCS_SQUARE 2 /* square shape for SAOimage plotting */
#define WCS_DIAMOND 3 /* diamond shape for SAOimage plotting */
#define WCS_CROSS 4 /* cross shape for SAOimage plotting */
#define WCS_EX 5 /* x shape for SAOimage plotting */
#define WCS_VAR 6 /* variable (+ and x) shape for HSTGSC plotting */
#define WCS_PCIRCLE 11 /* pixel circle shape for SAOimage plotting */
#define WCS_PSQUARE 12 /* pixel square shape for SAOimage plotting */
#define WCS_PDIAMOND 13 /* pixel diamond shape for SAOimage plotting */
#define WCS_PCROSS 14 /* pixel cross shape for SAOimage plotting */
#define WCS_PEX 15 /* pixel ex shape for SAOimage plotting */
#define WCS_PVAR 16 /* pixel variable (+ and x) shape for HSTGSC plotting */
/* Subroutines for extracting sources from catalogs */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __STDC__ /* Full ANSI prototypes */
/* Subroutines for reading any catalogs, including TDC ASCII catalogs */
int ctgread( /* Read sources by sky region from any catalog */
char *catfile, /* Name of reference star catalog file */
int refcat, /* Catalog code from wcscat.h */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nsmax, /* Maximum number of stars to be returned */
struct StarCat **starcat, /* Catalog data structure */
double *tnum, /* Array of ID numbers (returned) */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D array of magnitudes (returned) */
int *tc, /* Array of fluxes (returned) */
char **tobj, /* Array of object names (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ctgrnum( /* Read sources by number from any catalog */
char *catfile, /* Name of reference star catalog file */
int refcat, /* Catalog code from wcscat.h */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
int match, /* 1 to match star number exactly, else sequence num */
struct StarCat **starcat, /* Star catalog data structure */
double *tnum, /* Array of source numbers to look for */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D Array of magnitudes (returned) */
int *tpeak, /* Array of peak counts (returned) */
char **tkey, /* Array of values of additional keyword */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ctgrdate( /* Read sources by date from SAO TDC ASCII format catalog */
char *catfile, /* Name of reference star catalog file */
int refcat, /* Catalog code from wcscat.h */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
struct StarCat **starcat, /* Star catalog data structure */
double date1, /* Start time as Modified Julian Date or Julian Date */
double date2, /* End time as Modified Julian Date or Julian Date */
int nmax, /* Maximum number of stars to look for */
double *tnum, /* Array of source numbers (returned) */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D Array of magnitudes (returned) */
int *tc, /* Array of fluxes (returned) */
char **tobj, /* Array of object names (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ctgbin( /* Bin sources from SAO TDC ASCII format catalog */
char *catfile, /* Name of reference star catalog file */
int refcat, /* Catalog code from wcscat.h */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude by which to sort (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ctgstar( /* Read one star entry from ASCII catalog, 0 if OK */
int istar, /* Star sequence number in ASCII catalog */
struct StarCat *sc, /* Star catalog data structure */
struct Star *st); /* Star data structure, updated on return */
int isacat( /* Return 1 if string is name of ASCII catalog file */
char *catpath); /* Path to file to check */
struct StarCat *ctgopen( /* Open a Starbase, TDC ASCII, or TDC binary catalog */
char *catfile, /* Name of reference star catalog file */
int refcat); /* Catalog code from wcscat.h */
void ctgclose( /* Close Starbase, TDC ASCII, or TDC binary catalog
* and free data structures */
struct StarCat *sc); /* Star catalog data structure */
/* Subroutines for extracting sources from HST Guide Star Catalog */
int gscread( /* Read sources by sky region from HST Guide Star Catalog */
int refcat, /* Catalog code from wcscat.h (GSC or GSCACT) */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int gscrnum( /* Read sources by ID number from HST Guide Star Catalog */
int refcat, /* Catalog code from wcscat.h (GSC or GSCACT) */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *gnum, /* Array of source numbers to look for */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if >1, number of sources per log line */
int gscbin( /* Bin sources from HST Guide Star Catalog */
int refcat, /* Catalog code from wcscat.h (GSC or GSCACT) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if >1, number of sources per log line */
void setgsclass( /* Set GSC object class to return (<0=all) */
int class); /* Class of objects to return */
/* Subroutine to read GSC II catalog over the web */
int gsc2read( /* Read sources by sky region from GSC II Catalog */
char *refcatname, /* Name of catalog (GSC2 for 2.2; GSC2.3 for 2.3) */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned) */
char **gobj, /* Array of object IDs (mixed letters and numbers) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if >1, number of sources per log line */
char *gsc2c2t( /* Convert GSC2 buffer from comma- to tab-separated */
char *csvbuff); /* Input comma-separated table */
char *gsc2t2t( /* Clean up GSC2 tab-separated buffer */
char *tsvbuff); /* Input tab-separated table */
/* Subroutine to read SDSS catalog over the web */
int sdssread( /* Read sources by sky region from SDSS Catalog */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned from tabread) */
char **gobj, /* Array of object IDs (too long for integer*4) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if >1, number of sources per log line */
char *sdssc2t( /* Convert SDSS buffer from comma- to tab-separated */
char *csvbuff); /* Input comma-separated table */
/* Subroutines to read local copy of 2MASS Point Source Catalog */
int tmcread( /* Read sources by sky region from 2MASS Point Source Catalog */
int refcat, /* Catalog code from wcscat.h (TMPSC or TMXSC or TMPSCE) */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of catalog numbers (returned) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tmcrnum( /* Read sources by ID number from 2MASS Point Source Catalog */
int refcat, /* Catalog code from wcscat.h (TMPSC or TMXSC or TMPSCE) */
int nstars, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *gnum, /* Array of source numbers to look for */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tmcbin( /* Bin sources from 2MASS Point Source Catalog */
int refcat, /* Catalog code from wcscat.h (TMPSC or TMXSC or TMPSCE) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
/* Subroutines to read local copies of USNO catalogs */
int uacread( /* Read sources by sky region from USNO A or SA Catalog */
char *refcatname, /* Name of catalog (UAC, USAC, UAC2, USAC2) */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *unum, /* Array of catalog numbers (returned) */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *uplate, /* Array of plate numbers (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int uacrnum( /* Read sources by ID number from USNO A or SA Catalog */
char *refcatname, /* Name of catalog (UAC, USAC, UAC2, USAC2) */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *unum, /* Array of source numbers to look for */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *uplate, /* Array of plate numbers (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int uacbin( /* Bin sources from USNO A or SA Catalog */
char *refcatname, /* Name of catalog (UAC, USAC, UAC2, USAC2) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
void setuplate( /* Set USNO catalog plate number to search */
int xplate); /* If nonzero, use objects only from this plate */
int getuplate(void); /* Get USNO catalog plate number to search */
int ubcread( /* Read sources by sky region from USNO B Catalog */
char *refcatname, /* Name of catalog (UB1 only for now) */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *unum, /* Array of ID numbers (returned) */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double *upra, /* Array of right ascension proper motions (returned) */
double *updec, /* Array of declination proper motions (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *upmni, /* Array of number of ids and pm quality (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ubcrnum( /* Read sources by ID number from USNO B Catalog */
char *refcatname, /* Name of catalog (UB1 only for now) */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *unum, /* Array of source numbers to look for */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double *upra, /* Array of right ascension proper motions (returned) */
double *updec, /* Array of declination proper motions (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *upmni, /* Array of number of ids and pm quality (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ubcbin( /* Bin sources from USNO B Catalog */
char *refcatname, /* Name of catalog (UB1 only for now) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ucacread( /* Read sources by sky region from USNO UCAC 1 Catalog */
char *refcatname, /* Name of catalog (UCAC1 or UCAC2) */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ucacrnum( /* Read sources by ID number from USNO UCAC 1 Catalog */
char *refcatname, /* Name of catalog (UCAC1 or UCAC2) */
int nstars, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *gnum, /* Array of source numbers to look for */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ucacbin( /* Bin sources from USNO UCAC 1 Catalog */
char *refcatname, /* Name of catalog (UCAC1 or UCAC2) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ujcread( /* Read sources by sky region from USNO J Catalog */
char *refcatname, /* Name of catalog (UJC, xxxxx.usno) */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int nstarmax, /* Maximum number of stars to be returned */
double *unum, /* Array of catalog numbers (returned) */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *uplate, /* Array of plate numbers (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ujcrnum( /* Read sources by ID number from USNO J Catalog */
char *refcatname, /* Name of catalog (UJC, xxxxx.usno) */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *unum, /* Array of source numbers to look for */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *uplate, /* Array of plate numbers (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ujcbin( /* Bin sources from USNO J Catalog */
char *refcatname, /* Name of catalog (UJC, xxxxx.usno) */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
/* Subroutines to read a local copy of the Tycho-2 catalog */
int ty2read( /* Read sources by sky region from Tycho 2 Catalog */
int refcat, /* Catalog code from wcscat.h (TYCHO2 or TYCHO2E */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ty2rnum( /* Read sources by ID number from Tycho 2 Catalog */
int refcat, /* Catalog code from wcscat.h (TYCHO2 or TYCHO2E */
int nstars, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *gnum, /* Array of source numbers to look for */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int ty2bin( /* Bin sources from Tycho 2 Catalog */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
/* Subroutines to read a local copy of the ACT catalog */
int actread( /* Read sources by sky region from USNO ACT Catalog */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int distsort, /* 1 to sort stars by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of ID numbers (returned) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int actrnum( /* Read sources by ID number from USNO ACT Catalog */
int nstars, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double *gnum, /* Array of source numbers to look for */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension proper motions (returned) */
double *gpdec, /* Array of declination proper motions (returned) */
double **gmag, /* 2-D array of magnitudes (returned) */
int *gtype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int actbin( /* Bin sources from USNO ACT Catalog */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int skybotread ( /* Find solar system objects from SkyBot */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
int distsort, /* 1 to sort asteroids by distance from center */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Julian date for positions (current time if zero) */
double mag1, /* Lower limiting magnitude (none if equal to mag2) */
double mag2, /* Upper limiting magnitude (none if equal to mag1) */
int sortmag, /* Magnitude by which to sort (1 to nmag) */
int nstarmax, /* Maximum number of stars to be returned */
double *gnum, /* Array of asteroid numbers (returned) */
char **gobj, /* Array of object IDs (too long for integer*4) */
double *gra, /* Array of right ascensions (returned) */
double *gdec, /* Array of declinations (returned) */
double *gpra, /* Array of right ascension motions (returned) */
double *gpdec, /* Array of declination motions (returned) */
double **gmag, /* 2-D array of magnitudes and other info (returned) */
int *gtype, /* Array of object classes (returned) */
int nlog); /* 1 for diagnostics */
char *skybot2tab( /* Convert SkyBot buffer from space- to tab-separated */
char *csvbuff); /* Input comma-separated table */
/* Subroutines to read SAO-TDC binary format catalogs */
int binread( /* Read from sky region from SAO TDC binary format catalog */
char *bincat, /* Name of reference star catalog file */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
struct StarCat **starcat, /* Star catalog data structure */
double *tnum, /* Array of ID numbers (returned) */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D array of magnitudes (returned) */
int *tpeak, /* Array of encoded spectral types (returned) */
char **tobj, /* Array of object names (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int binrnum( /* Read sources by ID number from SAO TDC binary format catalog */
char *bincat, /* Name of reference star catalog file */
int nstars, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
int match, /* If 1, match number exactly, else number is sequence*/
double *tnum, /* Array of source numbers to look for */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D array of magnitudes (returned) */
int *tpeak, /* Array of encoded spectral types (returned) */
char **tobj, /* Array of object names (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int binbin( /* Bin sources from SAO TDC binary format catalog */
char *bincat, /* Name of reference star catalog file */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude to use (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int binstar( /* Read one star entry from binary catalog, 0 if OK */
struct StarCat *sc, /* Star catalog descriptor */
struct Star *st, /* Current star entry (returned) */
int istar); /* Star sequence number in binary catalog */
struct StarCat *binopen( /* Open binary catalog, returning number of entries */
char *bincat); /* Name of reference star catalog file */
void binclose( /* Close binary catalog */
struct StarCat *sc); /* Star catalog descriptor */
int isbin( /* Return 1 if TDC binary catalog file, else 0 */
char *filename); /* Name of file to check */
/* Subroutines for extracting tab table information (in tabread.c) */
int tabread( /* Read sources from tab table catalog */
char *tabcatname, /* Name of reference star catalog file */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude by which to sort (1 to nmag) */
int nstarmax, /* Maximum number of stars to be returned */
struct StarCat **starcat, /* Star catalog data structure */
double *tnum, /* Array of source numbers (returned) */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D Array of magnitudes (returned) */
int *tpeak, /* Array of peak counts (returned) */
char **tkey, /* Array of values of additional keyword */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tabrnum( /* Read sources from tab table catalog */
char *tabcatname, /* Name of reference star catalog file */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
struct StarCat **starcat, /* Star catalog data structure */
int match, /* 1 to match star number exactly, else sequence num */
double *tnum, /* Array of source numbers to look for */
double *tra, /* Array of right ascensions (returned) */
double *tdec, /* Array of declinations (returned) */
double *tpra, /* Array of right ascension proper motions (returned) */
double *tpdec, /* Array of declination proper motions (returned) */
double **tmag, /* 2-D Array of magnitudes (returned) */
int *tpeak, /* Array of peak counts (returned) */
char **tkey, /* Array of values of additional keyword */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tabbin( /* Read sources from tab table catalog */
char *tabcatname, /* Name of reference star catalog file */
struct WorldCoor *wcs, /* World coordinate system for image */
char *header, /* FITS header for output image */
char *image, /* Output FITS image */
double mag1, /* Minimum (brightest) magnitude (no limits if equal) */
double mag2, /* Maximum (faintest) magnitude (no limits if equal) */
int sortmag, /* Magnitude by which to sort (1 to nmag) */
double magscale, /* Scaling factor for magnitude to pixel flux
* (image of number of catalog objects per bin if 0) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tabxyread( /* Read x, y, and magnitude from tab table star list */
char *tabcatname, /* Name of reference star catalog file */
double **xa, /* Array of x coordinates (returned) */
double **ya, /* Array of y coordinates (returned) */
double **ba, /* Array of magnitudes (returned) */
int **pa, /* Array of fluxes (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int tabrkey( /* Keyword values from tab table catalogs */
char *tabcatname, /* Name of reference star catalog file */
struct StarCat **starcat, /* Star catalog data structure */
int nnum, /* Number of stars to look for */
double *tnum, /* Array of source numbers to look for */
char *keyword, /* Keyword for which to return values */
char **tval); /* Returned values for specified keyword */
struct StarCat *tabcatopen( /* Open tab table catalog */
char *tabpath, /* Tab table catalog file pathname */
struct TabTable *tabtable, /* Tab table data structure */
int nbbuff); /* Number of bytes in buffer; 0=read whole file */
void tabcatclose( /* Close tab table catalog */
struct StarCat *sc); /* Source catalog data structure */
int tabstar( /* Read one star entry from tab table catalog, 0 if OK */
int istar, /* Source sequence number in tab table catalog */
struct StarCat *sc, /* Source catalog data structure */
struct Star *st, /* Star data structure, updated on return */
int verbose); /* 1 to print error messages */
struct TabTable *tabopen( /* Open tab table file */
char *tabfile, /* Tab table catalog file name */
int nbbuff); /* Number of bytes in buffer; 0=read whole file */
void tabclose( /* Free all arrays left open by tab table structure */
struct TabTable *tabtable); /* Tab table data structure */
char *gettabline( /* Find a specified line in a tab table */
struct TabTable *tabtable, /* Tab table data structure */
int iline); /* Line sequence number in tab table */
double tabgetra( /* Return right ascension in degrees from tab table*/
struct Tokens *tabtok, /* Line token structure */
int ientry); /* sequence of entry on line */
double tabgetdec( /* Return declination in degrees from tab table*/
struct Tokens *tabtok, /* Line token structure */
int ientry); /* sequence of entry on line */
double tabgetr8( /* Return double number from tab table line */
struct Tokens *tabtok, /* Line token structure */
int ientry); /* sequence of entry on line */
int tabgeti4( /* Return 4-byte integer from tab table line */
struct Tokens *tabtok, /* Line token structure */
int ientry); /* sequence of entry on line */
void settabkey( /* Set tab table keyword to read for object */
char *keyword); /* column header of desired value */
int tabgetk( /* Get tab table entries for named column */
struct TabTable *tabtable, /* Tab table data structure */
struct Tokens *tabtok, /* Line token structure */
char *keyword, /* column header of desired value */
char *string, /* character string (returned) */
int maxchar); /* Maximum number of characters in returned string */
int tabgetc( /* Get tab table entry for named column */
struct Tokens *tabtok, /* Line token structure */
int ientry, /* sequence of entry on line */
char *string, /* character string (returned) */
int maxchar); /* Maximum number of characters in returned string */
int tabparse( /* Aeturn column names and positions in tabtable */
struct TabTable *tabtable); /* Tab table data structure */
int tabcol( /* Find column for name (case-sensitive) */
struct TabTable *tabtable, /* Tab table data structure */
char *keyword); /* column header of desired value */
int tabccol( /* Find column for name (case-insensitive) */
struct TabTable *tabtable, /* Tab table data structure */
char *keyword); /* column header of desired value */
int istab( /* Return 1 if tab table file, else 0 */
char *filename); /* Name of file to check */
char *gettaberr(); /* Return most recent tab table error message */
int gettabndec(); /* Return number of decimal places in tab catalog ids */
/* Subroutines to read catalogs over the web, from SCAT, HST, ESO, or SDSS servers */
int webread( /* Read sources by sky region from WWW catalog */
char *caturl, /* URL of search engine */
char *refcatname, /* Name of catalog */
int distsort, /* 1 to sort stars by distance from center */
double cra, /* Search center J2000 right ascension in degrees */
double cdec, /* Search center J2000 declination in degrees */
double dra, /* Search half width in right ascension in degrees */
double ddec, /* Search half-width in declination in degrees */
double drad, /* Limiting separation in degrees (ignore if 0) */
double dradi, /* Inner edge of annulus in degrees (ignore if 0) */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
double mag1, /* Limiting magnitudes (none if equal) */
double mag2, /* Limiting magnitudes (none if equal) */
int sortmag, /* Number of magnitude by which to limit and sort */
int nstarmax, /* Maximum number of stars to be returned */
double *unum, /* Array of ID numbers (returned) */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double *upra, /* Array of right ascension proper motions (returned) */
double *updec, /* Array of declination proper motions (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *utype, /* Array of integer catalog values (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
int webrnum( /* Read sources by ID number from WWW catalog */
char *caturl, /* URL of search engine */
char *refcatname, /* Name of catalog */
int nnum, /* Number of stars to look for */
int sysout, /* Search coordinate system */
double eqout, /* Search coordinate equinox */
double epout, /* Proper motion epoch (0.0 for no proper motion) */
int match, /* 1 to match star number exactly, else sequence num */
double *unum, /* Array of source numbers to look for */
double *ura, /* Array of right ascensions (returned) */
double *udec, /* Array of declinations (returned) */
double *upra, /* Array of right ascension proper motions (returned) */
double *updec, /* Array of declination proper motions (returned) */
double **umag, /* 2-D array of magnitudes (returned) */
int *utype, /* Array of object types (returned) */
int nlog); /* Verbose mode if > 1, number of sources per log line */
char *webbuff( /* Read URL into buffer across the web */
char *url, /* URL to read */
int diag, /* 1 to print diagnostic messages */
int *lbuff); /* Length of buffer (returned) */
struct TabTable *webopen( /* Open tab table across the web */
char *caturl, /* URL of search engine */
char *srchpar, /* Search engine parameters to append */
int nlog); /* 1 to print diagnostic messages */
/* Subroutines to read DAOPHOT-style catalogs of sources found in an image */
int daoread( /* Read image source positions from x y mag file */
char *daocat, /* Name of DAOFIND catalog file */
double **xa, /* X and Y coordinates of stars, array returned */
double **ya, /* X and Y coordinates of stars, array returned */
double **ba, /* Instrumental magnitudes of stars, array returned */
int **pa, /* Peak counts of stars in counts, array returned */
int nlog); /* 1 to print each star's position */
int daoopen( /* Open image source position x y mag file */
char *daofile); /* DAOFIND catalog file name */
char *daoline( /* Read line from image source position x y mag file */
int iline, /* Star sequence number in DAOFIND catalog */
char *line); /* Pointer to iline'th entry (returned updated) */
/* Subroutines for sorting tables of star positions and magnitudes from sortstar.c */
void FluxSortStars( /* Sort image stars by decreasing flux */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double *sb, /* Brighness in counts */
int *sc, /* Other 4-byte information */
int ns); /* Number of stars to sort */
void MagSortStars( /* Sort image stars by increasing magnitude */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm, /* Number of magnitudes per star */
int ms); /* Magnitude by which to sort (1 to nmag) */
void IDSortStars( /* Sort image stars by increasing ID Number value */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm); /* Number of magnitudes per star */
void RASortStars( /* Sort image stars by increasing right ascension */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm); /* Number of magnitudes per star */
void DecSortStars( /* Sort image stars by increasing declination */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm); /* Number of magnitudes per star */
void XSortStars( /* Sort image stars by increasing image X value */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm); /* Number of magnitudes per star */
void YSortStars( /* Sort image stars by increasing image Y value */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm); /* Number of magnitudes per star */
int MergeStars( /* Merge multiple entries within given radius
* return mean ra, dec, proper motion, and magnitude(s) */
double *sn, /* Identifying number */
double *sra, /* Right Ascension */
double *sdec, /* Declination */
double *spra, /* Right Ascension proper motion */
double *spdec, /* Declination proper motion */
double *sx, /* Image X coordinate */
double *sy, /* Image Y coordinate */
double **sm, /* Magnitudes */
int *sc, /* Other 4-byte information */
char **sobj, /* Object name */
int ns, /* Number of stars to sort */
int nm, /* Number of magnitudes per star */
double rad, /* Maximum separation in arcseconds to merge */
int log); /* If >0, log progress every time mod number written */
/* Catalog utility subroutines from catutil.c */
/* Subroutines for dealing with catalogs */
int RefCat( /* Return catalog type code, title, coord. system */
char *refcatname, /* Name of reference catalog */
char *title, /* Description of catalog (returned) */
int *syscat, /* Catalog coordinate system (returned) */
double *eqcat, /* Equinox of catalog (returned) */
double *epcat, /* Epoch of catalog (returned) */
int *catprop, /* 1 if proper motion in catalog (returned) */
int *nmag); /* Number of magnitudes in catalog (returned) */
int CatCode( /* Return catalog type code */
char *refcatname); /* Name of reference catalog */
char *CatName( /* Return catalog name given catalog type code */
int refcat, /* Catalog code */
char *refcatname); /* Name of reference catalog */
char *CatSource( /* Return catalog source description given catalog type code */
int refcat, /* Catalog code */
char *refcatname); /* Name of reference catalog */
void CatID( /* Return catalog ID keyword given catalog type code */
char *catid, /* Catalog ID (returned) */
int refcat); /* Catalog code */
double CatRad( /* Return default search radius for given catalog */
int refcat); /* Catalog code */
char *ProgName( /* Return program name given program path used */
char *progpath0); /* Pathname by which program is invoked */
char *ProgCat( /* Return catalog name given program name used */
char *progname); /* Program name which might contain catalog code */
void CatNum( /* Return formatted source number */
int refcat, /* Catalog code */
int nnfld, /* Number of characters in number (from CatNumLen)
* Print leading zeroes if negative */
int nndec, /* Number of decimal places ( >= 0)
* Omit leading spaces if negative */
double dnum, /* Catalog number of source */
char *numstr); /* Formatted number (returned) */
int CatNumLen( /* Return length of source numbers */
int refcat, /* Catalog code */
double maxnum, /* Maximum ID number
* (Ignored for standard catalogs) */
int nndec); /* Number of decimal places ( >= 0) */
int CatNdec( /* Return number of decimal places in source numbers */
int refcat); /* Catalog code */
void CatMagName( /* Return name of specified magnitude */
int imag, /* Sequence number of magnitude */
int refcat, /* Catalog code */
char *magname); /* Name of magnitude, returned */
int CatMagNum( /* Returns number of magnitude specified by letter as int */
int imag, /* int of magnitude letter */
int refcat); /* Catalog code */
void CatTabHead ( /* Print heading for catalog search result table */
int refcat, /* Catalog being searched */
int sysout, /* Output coordinate system */
int nnfld, /* Number of characters in ID column */
int mprop, /* 1 if proper motion in catalog */
int nmag, /* Number of magnitudes */
char *ranges, /* Catalog numbers to print */
char *keyword, /* Column to add to tab table output */
int gcset, /* 1 if there are any values in gc[] */
int tabout, /* 1 if output is tab-delimited */
int classd, /* GSC object class to accept (-1=all) */
int printxy, /* 1 if X and Y included in output */
char **gobj1, /* Pointer to array of object names; NULL if none */
FILE *fd); /* Output file descriptor; none if NULL */
int StrNdec( /* Return number of decimal places in numeric string */
char *string); /* Numeric string */
int NumNdec( /* Return number of decimal places in a number */
double number); /* Floating point number */
void setdateform ( /* Set date format code */
int dateform0); /* Date format code */
char *DateString( /* Return string with epoch of position in desired format */
double epoch, /* Date as fraction of a year */
int tabout); /* 1 for tab-preceded output string, else space-preceded */
void setlimdeg( /* Limit output in degrees (1) or hh:mm:ss dd:mm:ss (0) */
int degout); /* 1 for fractional degrees, else sexagesimal hours, degrees */
void SearchLim( /* Compute limiting RA and Dec */
double cra, /* Longitude/Right Ascension of Center of search area in degrees */
double cdec, /* Latitude/Declination of search area in degrees */
double dra, /* Horizontal half-width in degrees */
double ddec, /* Vertical half-width in degrees */
int syscoor, /* Coordinate system */
double *ra1, /* Lower right ascension limit in degrees (returned) */
double *ra2, /* Upper right ascension limit in degrees (returned) */
double *dec1, /* Lower declination limit in degrees (returned) */
double *dec2, /* Upper declination limit in degrees (returned) */
int verbose); /* 1 to print limits, else 0 */
void RefLim( /* Compute limiting RA and Dec in new system */
double cra, /* Longitude/Right Ascension of Center of search area in degrees */
double cdec, /* Latitude/Declination of search area in degrees */
double dra, /* Horizontal half-width in degrees */
double ddec, /* Vertical half-width in degrees */
int sysc, /* System of search coordinates */
int sysr, /* System of reference catalog coordinates */
double eqc, /* Equinox of search coordinates in years */
double eqr, /* Equinox of reference catalog in years */
double epc, /* Epoch of search coordinates in years */
double epr, /* Epoch of reference catalog coordinates in years */
double secmarg, /* Margin in arcsec/century to catch moving stars */
double *ramin, /* Lower right ascension limit in degrees (returned) */
double *ramax, /* Upper right ascension limit in degrees (returned) */
double *decmin, /* Lower declination limit in degrees (returned) */
double *decmax, /* Upper declination limit in degrees (returned) */
int *wrap, /* 1 if search passes through 0:00:00 RA */
int verbose); /* 1 to print limits, else 0 */
void movebuff ( /* Copy nbytes bytes from source+offs to dest+offd */
char *source, /* Pointer to source */
char *dest, /* Pointer to destination */
int nbytes, /* Number of bytes to move */
int offs, /* Offset in bytes in source from which to start copying */
int offd); /* Offset in bytes in destination to which to start copying */
/* Subroutines for dealing with ranges */
struct Range *RangeInit( /* Initialize range structure from string */
char *string, /* String containing numbers separated by , and - */
int ndef); /* Maximum allowable range value */
int isrange( /* Return 1 if string is a range of numbers, else 0 */
char *string); /* String which might be a range of numbers */
void rstart( /* Restart range */
struct Range *range); /* Range structure */
int rgetn( /* Return number of values in all ranges */
struct Range *range); /* Range structure */
int rgeti4( /* Return next number in range as integer */
struct Range *range); /* Range structure */
double rgetr8( /* Return next number in range as double */
struct Range *range); /* Range structure */
/* Subroutines for read values from keyword=value in blocks of text */
int ageti4( /* Extract int value from keyword= value in string */
char *string, /* character string containing <keyword>= <value> */
char *keyword, /* character string containing the name of the keyword
* the value of which is returned. hget searches for a
* line beginning with this string. if "[n]" or ",n" is
* present, the n'th token in the value is returned. */
int *ival); /* Integer value, returned */
int agetr8( /* Extract double value from keyword= value in string */
char *string, /* character string containing <keyword>= <value> */
char *keyword, /* character string containing the name of the keyword */
double *dval); /* Double value, returned */
int agets( /* Extract value from keyword= value in string */
char *string, /* character string containing <keyword>= <value> */
char *keyword, /* character string containing the name of the keyword */
int lval, /* Size of value in characters
* If negative, value ends at end of line */
int fillblank, /* If 0, leave blanks, strip trailing blanks
if non-zero, replace blanks with underscores */
char *value); /* String (returned) */
int tmcid( /* Return 1 if string is 2MASS ID, else 0 */
char *string, /* Character string to check */
double *ra, /* Right ascension (returned) */
double *dec); /* Declination (returned) */
/* Subroutines for VOTable output */
int vothead( /* Print heading for VOTable SCAT output */
int refcat, /* Catalog code */
char *refcatname, /* Name of catalog */
int mprop, /* Proper motion flag */
int typecol, /* Flag for spectral type */
int ns, /* Number of sources found in catalog */
double cra, /* Search center right ascension */
double cdec, /* Search center declination */
double drad); /* Radius to search in degrees */
void vottail(); /* Terminate VOTable SCAT output */
/* Subroutines for version/date string */
void setrevmsg( /* Set version/date string */
char *revmsg); /* Version/date string */
char *getrevmsg(void); /* Return version/date string */
/* Subroutines for fitting and evaluating polynomials */
void polfit( /* Fit polynomial coefficients */
double *x, /* Array of independent variable points */
double *y, /* Array of dependent variable points */
double x0, /* Offset to independent variable */
int npts, /* Number of data points to fit */
int nterms, /* Number of parameters to fit */
double *a, /* Vector containing current fit values */
double *stdev); /* Standard deviation of fit (returned) */
double polcomp( /* Evaluate polynomial from polfit coefficients */
double xi, /* Independent variable */
double x0, /* Offset to independent variable */
int norder, /* Number of coefficients */
double *a); /* Vector containing coeffiecients */
#else /* K&R prototypes */
/* Subroutines for reading TDC ASCII catalogs (ctgread.c) */
int ctgread(); /* Read sources by sky region from SAO TDC ASCII format catalog */
int ctgrnum(); /* Read sources by number from SAO TDC ASCII format catalog */
int ctgrdate(); /* Read sources by date range from SAO TDC ASCII format catalog */
int ctgbin(); /* Bin sources from SAO TDC ASCII format catalog */
int ctgstar(); /* Read one star entry from ASCII catalog, 0 if OK */
int isacat(); /* Return 1 if string is name of ASCII catalog file */
struct StarCat *ctgopen();
void ctgclose();
/* Subroutines for extracting sources from HST Guide Star Catalog */
int gscread(); /* Read sources by sky region from HST Guide Star Catalog */
int gscrnum(); /* Read sources by ID number from HST Guide Star Catalog */
int gscbin(); /* Bin sources from HST Guide Star Catalog */
void setgsclass(); /* Set GSC object class */
/* Subroutine to read GSC II catalog over the web (gsc2read.c) */
int gsc2read(); /* Read sources by sky region from GSC II Catalog */
char *gsc2c2t(); /* Convert GSC2 buffer from comma- to tab-separated */
char *gsc2t2t(); /* Clean up GSC2 tab-separated buffer */
/* Subroutine to read SDSS catalog over the web (sdssread.c) */
int sdssread(); /* Read sources by sky region from SDSS Catalog */
char *sdssc2t(); /* Convert SDSS buffer from comma- to tab-separated */
/* Subroutines to read local copy of 2MASS Point Source Catalog (tmcread.c) */
int tmcread(); /* Read sources by sky region from 2MASS Point Source Catalog */
int tmcrnum(); /* Read sources by ID number from 2MASS Point Source Catalog */
int tmcbin(); /* Bin sources from 2MASS Point Source Catalog */
/* Subroutines to read local copies of USNO A and SA catalogs (uacread.c) */
int uacread(); /* Read sources by sky region from USNO A or SA Catalog */
int uacrnum(); /* Read sources by ID number from USNO A or SA Catalog */
int uacbin(); /* Bin sources from USNO A or SA Catalog */
void setuplate(); /* Set USNO catalog plate number to search */
int getuplate(); /* Get USNO catalog plate number to search */
/* Subroutines to read local copies of USNO B catalogs (ubcread.c) */
int ubcread(); /* Read sources by sky region from USNO B Catalog */
int ubcrnum(); /* Read sources by ID number from USNO B Catalog */
int ubcbin(); /* Bin sources from USNO B Catalog */
/* Subroutines to read local copies of USNO UCAC catalogs (ucacread.c) */
int ucacread(); /* Read sources by sky region from USNO UCAC 1 Catalog */
int ucacrnum(); /* Read sources by ID number from USNO UCAC 1 Catalog */
int ucacbin(); /* Bin sources from USNO UCAC 1 Catalog */
/* Subroutines to read local copies of USNO UJ catalog (ucacread.c) */
int ujcread(); /* Read sources by sky region from USNO J Catalog */
int ujcrnum(); /* Read sources by ID number from USNO J Catalog */
int ujcbin(); /* Bin sources from USNO J Catalog */
/* Subroutines to read a local copy of the Tycho-2 catalog (ty2read.c) */
int ty2read(); /* Read sources by sky region from Tycho 2 Catalog */
int ty2rnum(); /* Read sources by ID number from Tycho 2 Catalog */
int ty2bin(); /* Bin sources from Tycho 2 Catalog */
/* Subroutines to read a local copy of the ACT catalog (actread.c) */
int actread(); /* Read sources by sky region from USNO ACT Catalog */
int actrnum(); /* Read sources by ID number from USNO ACT Catalog */
int actbin(); /* Bin sources from USNO ACT Catalog */
/* Subroutines to retrieve solar system objects over the web from SkyBot */
int skybotread(); /* Find solar system objects from SkyBot */
char *skybot2tab(); /* Convert SkyBot returned data to Starbase table */
void setobs(); /* Set observatory using IAU code */
void setobsname(); /* Set IAU code from observatory name */
/* Subroutines to read SAO-TDC binary format catalogs (binread.c) */
int binread(); /* Read sources by sky region from SAO TDC binary format catalog */
int binrnum(); /* Read sources by ID number from SAO TDC binary format catalog */
int binbin(); /* Bin sources from SAO TDC binary format catalog */
int binstar(); /* Read one star entry from binary catalog, 0 if OK */
int isbin();
struct StarCat *binopen();
void binclose();
/* Subroutines for extracting tab table information (tabread.c) */
int tabread(); /* Read sources from tab table catalog */
int tabrnum(); /* Read sources from tab table catalog */
int tabbin(); /* Read sources from tab table catalog */
struct TabTable *tabopen(); /* Open tab table file */
struct StarCat *tabcatopen(); /* Open tab table catalog */
void tabcatclose(); /* Close tab table catalog */
int tabxyread(); /* Read x, y, and magnitude from tab table star list */
void settabkey(); /* Set tab table keyword to read for object */
char *gettabline(); /* Find a specified line in a tab table */
int tabrkey(); /* Keyword values from tab table catalogs */
int tabcol(); /* Find column for name (case-sensitive) */
int tabccol(); /* Find column for name (case-insensitive) */
int tabgetk(); /* Get tab table entries for named column */
int tabgetc(); /* Get tab table entry for named column */
int tabgeti4(); /* Return 4-byte integer from tab table line */
int tabparse(); /* Aeturn column names and positions in tabtable */
double tabgetra(); /* Return right ascension in degrees from tab table*/
double tabgetdec(); /* Return declination in degrees from tab table*/
double tabgetr8(); /* Return double number from tab table line */
void tabclose(); /* Free all arrays left open by tab table structure */
char *gettaberr(); /* Return most recent tab table error message */
int istab(); /* Return 1 if tab table file, else 0 */
int gettabndec(); /* Return number of decimal places in tab catalog ids */
/* Subroutines to read catalogs over the web, from SCAT, HST, ESO, or SDSS servers */
int webread(); /* Read sources by sky region from catalog on the World Wide Web */
int webrnum(); /* Read sources by ID number from catalog on the World Wide Web */
char *webbuff(); /* Read URL into buffer across the web */
struct TabTable *webopen(); /* Open tab table across the web */
/* Subroutines to read DAOPHOT-style catalogs of sources found in an image */
int daoread(); /* Read image source positions from x y mag file */
int daoopen(); /* Open image source position x y mag file */
char *daoline(); /* Read line from image source position x y mag file */
/* Subroutines for sorting tables of star positions and magnitudes from sortstar.c */
void FluxSortStars(); /* Sort image stars by decreasing flux */
void MagSortStars(); /* Sort image stars by increasing magnitude */
void IDSortStars(); /* Sort image stars by increasing ID Number value */
void RASortStars(); /* Sort image stars by increasing right ascension */
void DecSortStars(); /* Sort image stars by increasing declination */
void XSortStars(); /* Sort image stars by increasing image X value */
void YSortStars(); /* Sort image stars by increasing image Y value */
int MergeStars(); /* Merge multiple entries within given radius */
/* Catalog utility subroutines from catutil.c */
/* Subroutines for dealing with catalogs */
int CatCode(); /* Return catalog type code */
int RefCat(); /* Return catalog type code, title, coord. system */
char *CatName(); /* Return catalog name given catalog type code */
char *CatSource(); /* Return catalog source description given catalog type code */
char *ProgCat(); /* Return catalog name given program name used */
char *ProgName(); /* Return program name given program path used */
char *CatName(); /* Return catalog name given catalog type code */
void CatID(); /* Return catalog ID keyword given catalog type code */
void CatNum(); /* Return formatted source number */
int CatNumLen(); /* Return length of source numbers */
int CatNdec(); /* Return number of decimal places in source numbers */
void CatMagName(); /* Return name of specified magnitude */
int CatMagNum(); /* Returns number of magnitude specified by letter as int */
double CatRad(); /* Return default search radius for given catalog */
int tmcid(); /* Return 1 if string is 2MASS ID, else 0 */
int NumNdec(); /* Return number of decimal places in a number */
int StrNdec(); /* Return number of decimal places in numeric string */
void setdateform(); /* Set date format code */
void setlimdeg(); /* Limit output in degrees (1) or hh:mm:ss dd:mm:ss (0) */
char *DateString(); /* Convert epoch to output format */
void SearchLim(); /* Compute limiting RA and Dec */
void RefLim(); /* Compute limiting RA and Dec in new system */
int ageti4(); /* Extract int value from keyword= value in string */
int agetr8(); /* Extract double value from keyword= value in string */
int agets(); /* Extract value from keyword= value in string */
void bv2sp(); /* Approximate main sequence spectral type from B - V */
void moveb(); /* Copy nbytes bytes from source+offs to dest+offd */
/* Subroutines for dealing with ranges */
struct Range *RangeInit(); /* Initialize range structure from string */
int isrange(); /* Return 1 if string is a range of numbers, else 0 */
int rgetn(); /* Return number of values in all ranges */
int rgeti4(); /* Return next number in range as integer */
double rgetr8(); /* Return next number in range as double */
void rstart(); /* Restart range */
/* Subroutines for VOTable output */
int vothead(); /* Print heading for VOTable SCAT output */
void vottail(); /* Terminate VOTable SCAT output */
/* Subroutines for version/date string */
void setrevmsg(); /* Set version/date string */
char *getrevmsg(); /* Return version/date string */
/* Subroutines for fitting and evaluating polynomials */
void polfit(); /* Fit polynomial coefficients */
double polcomp(); /* Evaluate polynomial from polfit coefficients */
#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _wcscat_h_ */
/* Sep 22 1998 New header file (star.h)
* Oct 16 1998 Add more options for ASCII catalogs
* Oct 20 1998 Add object name to binary files
* Oct 21 1998 New file (wcscat.h)
* Oct 26 1998 Combined wcscat.h and star.h
* Oct 27 1998 Add SAOimage region shapes
* Nov 9 1998 Add rasorted flag to catalog structure
* Nov 20 1998 Add support for USNO A-2.0 and SA-2.0 catalogs
* Dec 8 1998 Add support for the Hipparcos and ACT catalogs
*
* Jan 25 1999 Add declarations for tab table access
* Jan 25 1999 Add declarations for dealing with ranges of numbers
* Feb 2 1999 Add number of decimal places in star number to StarCat
* Feb 11 1999 Add coordinate system info to star structure
* Feb 11 1999 Change starcat.insys to starcat.coorsys for consistency
* May 14 1999 Update Star and StarCat structure to cover tab tables
* May 19 1999 Update StarCat structure to include epoch from catalog
* June 4 1999 Add CatNumLen()
* Jun 14 1999 Add SearchLim()
* Jun 30 1999 Add isrange()
* Jul 1 1999 Add declarations for date/time conversions in dateutil.c
* Jul 2 1999 Add rstart()
* Jul 26 1999 Add Yale Bright Star Catalog
* Aug 16 1999 Add RefLim() to get converted search coordinates right
* Aug 25 1999 Add ACT catalog
* Sep 10 1999 Move special case setting from argument list to subroutines
* Sep 13 1999 Add subroutines to access data structure for single stars
* Oct 1 1999 Add structure and subroutines for tokenized strings
* Oct 22 1999 Change cat*() to ctg*() to avoid system conflict
* Oct 29 1999 Add tabget() subroutines
* Nov 1 1999 Increase maximum number of tokens on a line from 20 to 100
* Nov 2 1999 Move date utilities to fitsfile.h
*
* Jan 10 2000 Add column names to catalog data structure
* Jan 11 2000 Add gettabndec()
* Feb 9 2000 Add proper motion entry information to star data structure
* Feb 16 2000 Add gettaberr() to return tab table error message
* Mar 1 2000 Add isfile() and agets() to help with ASCII files
* Mar 8 2000 Add ProgCat() to return catalog name from program name used
* Mar 8 2000 Add ProgName() to extract program name from path used
* Mar 10 2000 Add PropCat() to tell whether a catalog has proper motions
* Mar 27 2000 Add tabxyread()
* Apr 3 2000 Add option in catalog structure to ignore extra info
* May 22 2000 Add Tycho 2 support, bv2sp()
* May 26 2000 Add separate pointer to header in tab table structure
* May 26 2000 Add separate pointer to table name in tab table structure
* Jul 12 2000 Add catalog type code to ctalog data structure
* Sep 20 2000 Add isacat() to detect ASCII catalog files
* Sep 25 2000 Add starcat.sptype to flag spectral type in catalog
* Oct 23 2000 Add USNO plate catalog to catalog type table
* Oct 26 2000 Add proper motion flags for seconds and arcseconds per century
* Oct 31 2000 Add proper motion flags for milliseconds per year
* Nov 2 2000 Add parallax and radial velocity to star structure
* Nov 21 2000 Add WEBCAT catalog type for tab ctalogs returned from the Web
* Nov 22 2000 Add webread() and webrnum()
* Nov 28 2000 Add tabparse()
* Nov 30 2000 Add spectral type to catalog header; make star->isp 4 char.
* Dec 13 2000 Add StrNdec() to get number of decimal places in number strings
* Dec 15 2000 Add CatNdec() to get number of decimal places in source numbers
* Dec 18 2000 Drop PropCat(), a cludgy proper motion flag
*
* Mar 22 2001 Add web search flag in catalog data structure
* Mar 27 2001 Add shapes in pixels to SAOimage region options
* May 14 2001 Add 2MASS Point Source Catalog flags
* May 22 2001 Add declination sorting
* May 24 2001 Add 2MASS Point Source Catalog subroutines
* May 29 2001 Add length of star number to catalog structure
* May 30 2001 Add third magnitude for tab tables to catalog structure
* Jun 15 2001 Add CatName() and CatID()
* Jun 19 2001 Add parallax error to catalog and star structures
* Jun 20 2001 Add webopen(), GSC2, fourth magnitude to star and starcat
* Jul 12 2001 Add separate web access subroutine, webbuff()
* Jul 23 2001 Add ageti4() and agetr8()
* Jul 24 2001 Add polfit() and polcomp()
* Aug 8 2001 Add keyrv and option to set mprop to 2 to include rv/cz
* Sep 10 2001 Add entry line and distance from search center to Star
* Sep 13 2001 Add YSortStars() and SORT_Y
* Sep 14 2001 Add lbuff to TabTable structure
* Sep 20 2001 Add CatMagName()
* Sep 25 2001 Move isfile() to fitsfile.h
* Oct 16 2001 Add tabdash pointer to tabtable data structure
*
* Apr 9 2002 Fix typo in gettaberr() declaration
* Apr 10 2002 Add CatMagNum()
* May 6 2002 Increase object name length from 31 to 79 characters
* May 13 2002 Add NumNdec(), gsc2read(), and gsc2rnum()
* Aug 6 2002 Make magnitude entries and positions vectors of 10
* Oct 30 2002 Add epoch keyword and FITS date to StarCat data structure
*
* Jan 16 2003 Add USNO-B1.0 catalog
* Mar 24 2003 Add CatCde() to get only catalog code
* Apr 3 2003 Add ubcread(), ubcrnum(), and FluxSortStars()
* Apr 3 2003 Drop gsc2rnum()
* Apr 14 2003 Add setrevmsg() and getrevmsg()
* Apr 24 2003 Add UCAC1 and UCAC2, ucacread() and ucacrnum()
* May 20 2003 Add TMIDR2 for 2MASS PSC Interim Data Release 2
* Sep 16 2003 Add SORT_MERGE for scat
* Sep 25 2003 Add *bin() subroutines for catalog binning
* Dec 3 2003 Add USNO YB6 catalog
*
* Jan 5 2004 Add SDSS catalog
* Jan 12 2004 Add 2MASS Extended Source catalog and size to star structure
* Jan 14 2004 Add CatSource() subroutine to simplify help message creation
* Jan 22 2004 Add setlimdeg() to print limit coordinates in degrees
* Mar 16 2004 Add MergeStars()
* Apr 23 2004 Add ctgrdate()
* Aug 31 2004 Increase MAXTOKENS from 100 to 200
* Sep 2 2004 Increase MAXTOKENS from 200 to 1000
*
* Jul 27 2005 Add date format codes and DateString()
* Aug 5 2005 Add Tycho-2 and 2MASS PSC with magnitude errors
*
* Jan 6 2006 Add CatRad() subroutine
* Mar 17 2006 Make vothead() int as it now returns the number of fields
* Apr 3 2006 Add tmcid() to check for 2MASS identifiers
* Apr 3 2006 Add setdateform() to set output date format
* Apr 12 2006 Add SORT_ID for scat to sort catalog entries by ID number
* Jun 20 2006 Add IDSortStars()
*
* Jan 10 2006 Add ANSI C function prototypes
* Jan 11 2007 Move token access subroutines to fileutil.c/fitsfile.h
* Mar 13 2007 Add gsc2c2t() to convert CSV GSC2 buffer to TSV table
* Mar 13 2007 Add gobj object name to gsc2read()
* Jul 5 2007 Add SKYBOT=31 to catalog list
* Jul 13 2007 Add skybotread() and skybot2tab()
* Jul 18 2007 Add tabccol() and PM_ARCSECHR for SkyBot
* Nov 28 2007 Add moveb() which used to be local to binread()
*
* Oct 24 2008 Add gsct2t() to clean up tab-separated table from STScI CASB
*
* Sep 25 2009 Rename moveb() to movebuff()
* Sep 25 2009 Add UCAC3 as catalog code 32
* Oct 30 2009 Add position and proper motion error to star structure
* Nov 2 2009 Add numbers of images and catalogs to star structure
* Nov 3 2009 Parameterize as MAXNMAG the maximum number of magnitudes
*
* Apr 06 2010 Add fillblank argument to agets()
*
* May 16 2012 Add valmin and valmax to Range data structure
*
* Feb 15 2013 Add UCAC4 to list of catalog codes
*/
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