Astrometric differences of run 752 relative to a number of alternative catalogs, where available.

The left column shows full residuals for each camcol. Red dots indicated camcols that are out of spec relative to the comparison catalog (> 20.00 mas off in the median).

The following columns show offsets per field for each camcol, in RA and in Dec.

Fields that are individually bad, and are part of a bad run of fields appear orange.

Catalog Summary camcol=1 camcol=2 camcol=3 camcol=4 camcol=5 camcol=6
DR7
DR7 PM
2mass
usnob
ucac
ucac PM
ucac3
xdqso PM