APASS Download Coordinate Equinox

Affiliation
American Association of Variable Star Observers (AAVSO)
Fri, 01/10/2014 - 22:25

Hi, I wanted to confirm that the RA & DEC provided in the download spreadsheet are J2000. Thanks,

Affiliation
American Association of Variable Star Observers (AAVSO)
Yes, I confirm that the

Yes, I confirm that the equinox is J2000. However, in 99% of cases all the "modern" catalogs use this equinox.

Affiliation
American Association of Variable Star Observers (AAVSO)
APASS equinox

For confirmation:  the coordinates are J2000.  Typically, the coordinate accuracy is about 0.25arcsec.

Arne