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A Large-Scale Survey for Variable Stars in M 33

  • M. Goupil, Z. Kolláth, N. Nardetto, P. Kervella, D. Bersier (a1), J.D. Hartman (a2), K.Z. Stanek (a3), J.-P. Beaulieu (a4), J. Kaluzny (a5), J.-B. Marquette (a4), A. Schwarzenberg-Czerny (a5), V. Scowcroft (a1) and P.B. Stetson (a6)...

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.

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