Skip to main content

APASS Download Coordinate Equinox

3 posts / 0 new
Last post
jmgoldba
APASS Download Coordinate Equinox

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

r.furgoni
r.furgoni's picture
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.

HQA
HQA's picture
APASS equinox

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

Arne

Log in to post comments
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484