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Looking for variable stars in galactic open clusters

Published online by Cambridge University Press:  26 February 2010

Claudia Greco ,
Nami Mowlavi ,
Laurent Eyer ,
Maxime Spano ,
Mihaly Varadi  and
Gilbert Burki
Claudia Greco
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
Nami Mowlavi
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
Laurent Eyer
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
Maxime Spano
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
Mihaly Varadi
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
Gilbert Burki
Affiliation:
Geneva Observatory, University of Geneva, ch. des Maillettes 51, CH-1290, Sauverny, Switzerland email: claudia.greco@unige.ch
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Abstract

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A long-term project, aiming at systematic search for variable stars in Galactic Open Clusters (OCs), was started at the Geneva Observatory in 2002. We have been observing regularly a sample of twenty-seven Galactic Open Clusters in the U, B, V Geneva filters (hereafter U, B, V). The goal is to identify and to study their variable stars, as well as the connection between the variable stars in a cluster and the cluster properties. We present the status of this work in progress, and show preliminary results for one of these clusters, IC 4651.

Keywords

open clusters and associations: generalindividual (IC 4651)stars: variable
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S264: Solar and Stellar Variability: Impact on Earth and Planets , August 2009 , pp. 87 - 89
Copyright
Copyright © International Astronomical Union 2010

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