Analyses of Archival [Fe/H] Results for Cool Evolved Stars. II. [Fe/H] Standard Stars

Details Analyses of Archival [Fe/H] Results for Cool Evolved Stars. II. [Fe/H] Standard Stars Analyses of Archival [Fe/H] Results for Cool Evolved Stars. II. [Fe/H] Standard Stars

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasp..110..708t&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 110, Issue 748, pp. 708-721.

Astronomy and Astrophysics

Astronomy

17

Scientific paper

This paper is the second in a series based on published values of [Fe/H] for late-type evolved stars. Only high-dispersion results are considered here. Such data are used to derive mean values of [Fe/H] for stars that have often been used as [Fe/H] standard stars. For epsilon Vir and beta Gem, the mean values of [Fe/H] obtained here are +0.04+/-0.04 dex and 0.00+/-0.03 dex, respectively. For alpha Boo, [Fe/H] is found to be -0.55+/-0.02 dex. For the Hyades, a mean value of [Fe/H] obtained for giants can be combined with a counterpart published previously for dwarfs. The result is +0.10+/-0.01 dex. Using available evidence, 0.049 dex is the smallest [Fe/H] difference that can be detected between Hyades giants and Hyades dwarfs. No such difference is found.

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