Skip to main content

APASS Download Coordinate Equinox

jmgoldba's picture
jmgoldba
Offline
Joined: 2013-11-17

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

Yes, I confirm that the
r.furgoni's picture
r.furgoni
Offline
Joined: 2011-10-26

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

APASS equinox
HQA's picture
HQA
Offline
Joined: 2010-05-10

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

Arne

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484