(AAVSO Photometric All-sky Survey)
(down to 16 magnitude)
APASS (for AAVSO Photometric All-sky Survey)
is a photometric survey
in progress since 2010 having yielded
a catalog with photometry
information on over 60 million stars down
to about 16 magnitude.
It is all-sky, carried out by special-purpose
automated 20cm telescopes.
It is a project of AAVSO
(American Association of Variable Star Observers).
|Prefix||Example||Survey/Catalog|| || |
|APASS||APASS J327.7257-16.5170||APASS|| || |