F- and G-type stars in solar neighbourhood (Karatas+, 2005)

Physics

Scientific paper

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Stars: Nearby, Stars: F-Type, Stars: G-Type, Stars: Giant, Radial Velocities, Space Velocities, Photometry: Uvby

Scientific paper

A new metallicity distribution and an age-metallicity relation are presented for 437 nearby F and G turn-off and sub-giant stars selected from radial velocity data of Nidever et al. (2002, Cat. ). Photometric metallicities are derived from uvby-H{beta} photometry, and the stellar ages from the isochrones of Bergbusch & VandenBerg (2001ApJ...556..322B) as transformed to uvby photometry using the methods of Clem et al. (2004, Cat. ).
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