The Centre de Données astronomiques de Strasbourg (CDS; English translation: Strasbourg Astronomical Data Center) is a data hub which collects and distributes astronomical information.
The Milky Way is the galaxy that contains our Solar System.
The Russian Academy of Sciences (RAS; Росси́йская акаде́мия нау́к (РАН) Rossíiskaya akadémiya naúk) consists of the national academy of Russia; a network of scientific research institutes from across the Russian Federation; and additional scientific and social units such as libraries, publishing units, and hospitals.
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
The VizieR Catalogue Service is an astronomical catalog service provided by Centre de données astronomiques de Strasbourg.
2009yCat....102025S, Combined General Catalog of Variable Stars, Combined General Catalogue of Variable Stars, GCVS, General Catalog of Variable Stars, General catalogue of variable stars, VizieR On-line Data Catalog: B/gcvs. Originally published in: 2009yCat....102025S.