HIGH-RESOLUTION SPECTROSCOPIC SURVEY OF 671-GK GIANTS .1. STELLAR ATMOSPHERE PARAMETERS AND ABUNDANCES

被引：368

作者：

MCWILLIAM, A ^{[1
]}

机构：

[1] UNIV TEXAS,MCDONALD OBSERV,AUSTIN,TX 78712

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 1990年 / 74卷 / 04期

关键词：

STARS; ABUNDANCES STARS; ATMOSPHERES STARS; LATE-TYPE;

D O I：

10.1086/191527

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A high-resolution spectroscopic survey of 671 G and K field giants is described. Broad-band Johnson colors have been calibrated against recent, accurate effective temperature (T(eff)) measurements for stars in the range 3900-6000 K. A table of polynomial coefficients for 10 color-T(eff) relations is presented. Stellar atmosphere parameters, including T(eff), log g, [Fe/H], and microturbulent velocity, xi, are computed for each star, using the high-resolution spectra and various published photometric catalogs. For each star, elemental abundances for a variety of species have been computed using a LTE spectrum synthesis program and the adopted atmosphere parameters.

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页码：1075 / 1128

页数：54

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