Volume 548, December 2012
|Number of page(s)||6|
|Section||Catalogs and data|
|Published online||29 November 2012|
Catalogue of variable stars in open cluster fields⋆
Department of Theoretical Physics and AstrophysicsMasaryk
2 Rozhen National Astronomical Observatory, Institute of Astronomy of the Bulgarian Academy of Sciences, PO Box 136, 4700 Smolyan, Bulgaria
3 Institute for Astronomy (IfA), University of Vienna, Türkenschanzstrasse 17, 1180 Vienna, Austria
4 Observatory and Planetarium of Johann Palisa, VŠB – Technical University, Ostrava, Czech Republic
Received: 7 March 2012
Accepted: 4 October 2012
Context. We present the first catalogue of known variable stars in open cluster regions and with up to two times the given cluster radius. This gives basic information about the distribution of variable stars in cluster fields for the complete sky.
Aims. Knowledge of the variable star contents in open clusters is a significant advantage in their study. Analysing variability of cluster members and fields stars also allows us to study the characteristics of stars and clusters together. This catalogue of variable stars in open cluster fields is the first step in supporting such studies.
Methods. We took all variable and suspected variable stars into account from the most complete collection, “The AAVSO Variable Star Index”, and did a cross-match of these stars with the most complete catalogue of galactic open clusters named DAML02.
Results. Our on-line catalogue presently contains 18 065 variable stars. We present the basic statistical distribution according to types of variability.
Key words: open clusters and associations: general / catalogs / stars: variables: general / proper motions
The current version of the catalogue is only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (126.96.36.199) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/548/A97
© ESO, 2012
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