Here are some examples of cdsskymatch
:
stilts cdsskymatch cdstable=II/246/out find=all in=dr5qso.fits ra=RA dec=DEC radius=1 out=qso_2mass.fits
dr5qso.fits
against the
VizieR table II/246/out
(the 2MASS Point Source Catalogue).
The search radius is 1 arcsecond, and all 2MASS sources within the
radius of each input source are returned.
stilts cdsskymatch cdstable=simbad find=best in=sources.txt ifmt=ascii ra=RAJ2000 dec=DEJ2000 radius=8.5 blocksize=1000 icmd=progress omode=topcat