General Catalogue of Variable Stars (GCVS)

The only comprehensive catalogue of variables: often wrong, incomplete or out of date but always a first port of call and standard reference.

GCVS4 is the current catalogue, NSV for unconfirmed VS data, Name Lists for newly entered stars since publication of GCVS IV. Download or use query form, and note the important List of Variability Types.

http://www.sai.msu.su/groups/cluster/gcvs/gcvs/

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