A large-scale survey for variable stars in M33
D. Bersier, J.D. Hartman, K.Z. Stanek, J.-P. Beaulieu, J. Kaluzny,, J.-B. Marquette, A. Schwarzenberg-Czerny, V. Scowcroft, P.B. Stetson
TL;DR
This paper reports on a large-scale survey of M33 aimed at identifying and characterizing variable stars, especially Cepheids, using multi-epoch imaging data from CFHT's MegaCam.
Contribution
It introduces a new extensive survey of M33 with over 30 epochs of multi-band data, providing initial results on variable star detection and classification.
Findings
Identification of numerous variable stars in M33
Initial characterization of different variable star groups
Establishment of a dataset for future detailed analysis
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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