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Survey for Transiting Extrasolar Planets in Stellar Systems. II. Spectrophotometry and Metallicities of Open Clusters

By J. L. Marshall, Christopher J. Burke, D. L. Depoy, Andrew Gould and Juna A. Kollmeier


We present metallicity estimates for seven open clusters based on spectrophotometric indices from moderate-resolution spectroscopy. Observations of field giants of known metallicity provide a correlation between the spectroscopic indices and the metallicity of open cluster giants. We use χ 2 analysis to fit the relation of spectrophotometric indices to metallicity in field giants. The resulting function allows an estimate of the target-cluster giants ’ metallicities with an error in the method of ±0.08 dex. We derive the following metallicities for the seve

Topics: Abundances, Galaxy, Kinematics and Dynamics, Stars, Abundances
Year: 2005
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