BV photometry of M31 eclipsing binaries (Vilardell+, 2006)

Details BV photometry of M31 eclipsing binaries (Vilardell+, 2006) BV photometry of M31 eclipsing binaries (Vilardell+, 2006)

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34590321v&link_type=abstract

VizieR On-line Data Catalog: J/A+A/459/321. Originally published in: 2006A&A...459..321V

Physics

Stars: Variable, Binaries: Eclipsing, Photometry: Ubv

Scientific paper

Broad band photometry (in Johnson B and V) has been obtained in a region (34'x34') at the North-Eastern quadrant of M31 over 5 years (1999-2003) at the Isaac Newton Telescope (La Palma, Spain). The data, containing more than 250 observations per filter, have been reduced by means of the so-called difference image analysis technique and the DAOPHOT program. A catalog with 236238 objects with photometry in both B and V passbands has been obtained. The catalog is the deepest (V<25.5mag) obtained so far in the studied region and contains 3964 identified variable stars, with 437 eclipsing binaries and 416 Cepheids.
(4 data files).

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