General Catalog of Variable Stars (GCVS4.2): Extragalactic Variables

The General Catalog of Variable Stars (GCVS) is the only reference source on all known variable stars. This database is based on the electronically-readable version...

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GCVS, Vol. V.: Extragalactic Variable Stars

This catalogue is the last volume of the world-only reference source on all known variable stars. It contains the first Catalogue of variable stars in external galaxies as well...

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General Catalog of Variable Stars: Suspected Variable Stars (July 2022 Version)

This catalog is a compilation of stars that have been suspected of variability but have (mostly) not been finally designated as variables. It is the merging and latest updated...

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