artss15                 ARTSS1-5 X-ray Source Catalog
coord_equatorial        Equatorial Hammer Coordinate System
coord_galactic          Galactic Hammer Coordinate System
equator                 Celestial equator is the great circle with
                        declination equal to 0 deg.
scale_eq_dec            Equatorial declination scale settings
scale_eq_ra             Equatorial right-ascension scale settings
scale_gal_lat           Galactic latitude scale settings
scale_gal_lon           Galactic longitude scale settings
