/usr/lib/iraf/noao/artdata/ is in iraf-noao 2.16.1+2018.03.10-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/iraf/noao/artdata/artdata.cl
/usr/lib/iraf/noao/artdata/artdata.hd
/usr/lib/iraf/noao/artdata/artdata.men
/usr/lib/iraf/noao/artdata/artdata.par
/usr/lib/iraf/noao/artdata/doc/
/usr/lib/iraf/noao/artdata/doc/gallist.hlp
/usr/lib/iraf/noao/artdata/doc/mk1dspec.hlp
/usr/lib/iraf/noao/artdata/doc/mk2dspec.hlp
/usr/lib/iraf/noao/artdata/doc/mkechelle.hlp
/usr/lib/iraf/noao/artdata/doc/mkexamples.hlp
/usr/lib/iraf/noao/artdata/doc/mkheader.hlp
/usr/lib/iraf/noao/artdata/doc/mknoise.hlp
/usr/lib/iraf/noao/artdata/doc/mkobjects.hlp
/usr/lib/iraf/noao/artdata/doc/mkpattern.hlp
/usr/lib/iraf/noao/artdata/doc/starlist.hlp
/usr/lib/iraf/noao/artdata/gallist.par
/usr/lib/iraf/noao/artdata/lists/
/usr/lib/iraf/noao/artdata/lists/gallist.key
/usr/lib/iraf/noao/artdata/lists/starlist.key
/usr/lib/iraf/noao/artdata/mk1dspec.par
/usr/lib/iraf/noao/artdata/mk2dspec.par
/usr/lib/iraf/noao/artdata/mkechelle.par
/usr/lib/iraf/noao/artdata/mkexamples/
/usr/lib/iraf/noao/artdata/mkexamples/archdr.dat
/usr/lib/iraf/noao/artdata/mkexamples/ecarc.cl
/usr/lib/iraf/noao/artdata/mkexamples/ecarc2d.cl
/usr/lib/iraf/noao/artdata/mkexamples/ecarcdc.cl
/usr/lib/iraf/noao/artdata/mkexamples/echelle.cl
/usr/lib/iraf/noao/artdata/mkexamples/ecobj2d.cl
/usr/lib/iraf/noao/artdata/mkexamples/ecthorium.dat
/usr/lib/iraf/noao/artdata/mkexamples/galcluster.cl
/usr/lib/iraf/noao/artdata/mkexamples/galfield.cl
/usr/lib/iraf/noao/artdata/mkexamples/globular.cl
/usr/lib/iraf/noao/artdata/mkexamples/henear.cl
/usr/lib/iraf/noao/artdata/mkexamples/henear1.dat
/usr/lib/iraf/noao/artdata/mkexamples/henear1d.cl
/usr/lib/iraf/noao/artdata/mkexamples/henear2.dat
/usr/lib/iraf/noao/artdata/mkexamples/heneardc.cl
/usr/lib/iraf/noao/artdata/mkexamples/longslit.cl
/usr/lib/iraf/noao/artdata/mkexamples/lsarc.cl
/usr/lib/iraf/noao/artdata/mkexamples/lsgal.cl
/usr/lib/iraf/noao/artdata/mkexamples/lsobj.cl
/usr/lib/iraf/noao/artdata/mkexamples/mkexamples.cl
/usr/lib/iraf/noao/artdata/mkexamples/mkexamples.men
/usr/lib/iraf/noao/artdata/mkexamples/multifiber.cl
/usr/lib/iraf/noao/artdata/mkexamples/objhdr.dat
/usr/lib/iraf/noao/artdata/mkexamples/onedspec.men
/usr/lib/iraf/noao/artdata/mkexamples/spectrum.cl
/usr/lib/iraf/noao/artdata/mkexamples/starfield.cl
/usr/lib/iraf/noao/artdata/mkexamples/threedspec.men
/usr/lib/iraf/noao/artdata/mkexamples/twodspec.men
/usr/lib/iraf/noao/artdata/mkheader.par
/usr/lib/iraf/noao/artdata/mknoise.par
/usr/lib/iraf/noao/artdata/mkobjects.par
/usr/lib/iraf/noao/artdata/mkpattern.par
/usr/lib/iraf/noao/artdata/starlist.par
/usr/lib/iraf/noao/artdata/stdheader.dat