Standard Star Catalogs

The Hipparcos-Tycho Catalogs are the primary stellar databases used to display information by TheSkyX for stars to about 12th magnitude and brighter.

 

TheSkyX also cross-references stars from the following catalogs. 

 

Star Catalog Name

Details/Object Count

Hipparcos/Tycho Stellar Catalog

1.2 million stars, complete to 12th magnitude

Hubble Guide Star  Catalog (GSC) Version 1.2

19 million stars, complete to about 14th magnitude

General Catalog of Variable Stars (GCVS)

40,214 variable stars

New Suspected Variable Star Catalog (NSV)

13,490 suspected variable stars

Struve Double Star Catalog

4,307 double stars

Washington Catalog of Double Stars (WDS)

102,139 double stars