Photometric abundance calibration of δ Scuti stars using hk photometry

被引：7
|
作者：
Hintz, ML [1 ]
Joner, MD [1 ]
Hintz, EG [1 ]
机构：
[1] Brigham Young Univ, Dept Phys & Astron, Provo, UT 84602 USA
来源：
ASTRONOMICAL JOURNAL | 1998年 / 116卷 / 06期
关键词：
delta Scuti; stars : abundances;
D O I：
10.1086/300658
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The hk index has been used as a metallicity indicator for RR Lyrae variable stars. It is now being applied to the shorter period delta Scuti variables. Employing spectroscopic abundances of stars with published hk values and photometric indices calculated from stellar atmosphere models, a three-dimensional interpolation is used to determine [Fe/H] from intrinsic b-y, c(1), and hk values. The resulting [Fe/H], log g, and T-eff values for 10 delta Scuti stars are presented.
引用
收藏
页码：2993 / 2997
页数：5
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