/usr/lib/python3/dist-packages/specutils/data/ is in python3-specutils 0.2.2-1build3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/specutils/data/README.rst
/usr/lib/python3/dist-packages/specutils/data/extinction_models/
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_3.1A_60_D03_all.txt
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_3.1B_60.txt
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_4.0A_40_D03_all.txt
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_4.0B_40.txt
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_5.5A_30_D03_all.txt
/usr/lib/python3/dist-packages/specutils/data/extinction_models/kext_albedo_WD_MW_5.5B_30.txt