VI light curves of NGC 1039 solar-type stars (James+, 2010)

Details VI light curves of NGC 1039 solar-type stars (James+, 2010) VI light curves of NGC 1039 solar-type stars (James+, 2010)

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ycat..35159100j&link_type=abstract

VizieR On-line Data Catalog: J/A+A/515/A100. Originally published in: 2010A&A...515A.100J

Statistics

Methodology

Clusters: Open, Stars: G-Type, Photometry

Scientific paper

Employing photometric rotation periods for solar-type stars in NGC 1039 [M 34], a young, nearby open cluster, we use its mass-dependent rotation period distribution to derive the cluster's age in a distance independent way, i.e., the so-called gyrochronology method.
We present an analysis of 55 new rotation periods, using light curves derived from differential photometry, for solar type stars in the open cluster NGC 1039 [M 34]. We also exploit the results of a recently-completed, standardized, homogeneous BVIc CCD survey of the cluster, performed by the Indiana Group of the WIYN open cluster survey, in order to establish photometric cluster membership and assign B-V colours to each photometric variable. We describe a methodology for establishing the gyrochronology age for an ensemble of solar-type stars. Empirical relations between rotation period, photometric colour and stellar age (gyrochronology) are used to determine the age of M 34.
(3 data files).

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