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A Large-Scale Survey for Variable Stars in M 33

Published online by Cambridge University Press:  15 August 2009

M. Goupil ,
Z. Kolláth ,
N. Nardetto ,
P. Kervella ,
D. Bersier ,
J.D. Hartman ,
K.Z. Stanek ,
J.-P. Beaulieu ,
J. Kaluzny  and
J.-B. Marquette
...Show all authors
D. Bersier
Affiliation:
Astrophysics Research Institute, Liverpool John Moores University, Birkenhead CH41 1LD, UK
J.D. Hartman
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA
K.Z. Stanek
Affiliation:
Department of Astronomy, The Ohio State University, Columbus, OH 43210, USA
J.-P. Beaulieu
Affiliation:
Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, 98 bis boulevard Arago, 75014 Paris, France
J. Kaluzny
Affiliation:
Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warszawa, Poland
J.-B. Marquette
Affiliation:
Institut d'Astrophysique de Paris, UMR 7095 CNRS, Université Pierre & Marie Curie, 98 bis boulevard Arago, 75014 Paris, France
A. Schwarzenberg-Czerny
Affiliation:
Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warszawa, Poland
V. Scowcroft
Affiliation:
Astrophysics Research Institute, Liverpool John Moores University, Birkenhead CH41 1LD, UK
P.B. Stetson
Affiliation:
Dominion Astrophysical Observatory, Herzberg Institute of Astrophysics, National Research Council, 5071 West Saanich Road, Victoria, BC V9E 2E7, Canada
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Abstract

We have started a survey of M 33 in order to find variable stars and Cepheids in particular. We have obtained more than 30 epochs of g'r'i' data with the CFHT and the one-square-degree camera MegaCam. We present first results from this survey, including the search for variable objects and a basic characterization of the various groups of variable stars.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 38: Nonlinear Pulsations and Hydrodynamics of Cepheids , 2009 , pp. 125 - 132
Copyright
© EAS, EDP Sciences, 2009

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