/usr/lib/iraf/extern/rvsao/linespec.par is in iraf-rvsao 2.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | # Parameters for LINESPEC task of IRAF package RVSAO 2.3
# Emission lines
linefile,s,a,"",,,Filename with list of emission or absorption lines
linedir,s,h,"",,,Directory for line list
linewidth,r,h,2.0,0.0,25.0,HWHM of instrument resolution in Angstroms
maxwidth,b,h,no,,,Use maximum of line or instrument width or convolve (yes or no)
zspec,r,h,0.0,,,Shift line centers to this dlambda/lambda (overrides velspec)
velspec,r,h,0.0,,,Shift line centers to this velocity
continuum,r,h,0.0,,,Continuum level for created spectrum
# Output spectrum
specname,s,h,"",,,Object name for created spectrum
specfile,s,a,"",,,Filename for created spectrum
specdir,s,h,"",,,Directory for created spectrum
# Wavelength limits for output spectrum
st_lambda,r,h,INDEF,,,Starting wavelength in Angstroms to save
end_lambda,r,h,INDEF,,,Ending wavelength in Angstroms to save
pix_lambda,r,h,INDEF,,,Wavelength per pixel in Angstroms
npts,i,h,INDEF,,,Number of pixels in created spectrum
# Displaying results
spec_plot,b,h,no,,,True to plot the created spectrum
spec_int,b,h,no,,,True to interact with the created spectrum
device,s,h,"stdgraph",,,Display device
plotter,s,h,"stdplot",,,Hardcopy output device
verbose,s,h,yes,,,Print summary to log file (yes or not)
logfiles,s,h,"STDOUT,linespec.log",,,List of log files
# Debugging
debug,b,h,no,,,Displays intermediate results
cursor,*gcur,h,"",,,Graphics cursor input
mode,s,h,"ql",,,
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