Fundamental parameters of low-mass stars from broadband photometry. I. Method and first results

被引：7
|
作者：
Krawchuk, CAP
Dawson, PC
De Robertis, MM
机构：
[1] Trent Univ, Dept Phys, Peterborough, ON K9J 7B8, Canada
[2] York Univ, Dept Phys & Astron, N York, ON M3J 1P3, Canada
来源：
ASTRONOMICAL JOURNAL | 2000年 / 119卷 / 04期
关键词：
stars : abundances; stars : fundamental parameters; stars : low-mass; brown dwarfs;
D O I：
10.1086/301292
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Spectral energy distributions from recent model atmospheres covering a broad range of temperature and metallicity are used to synthesize colors for low-mass stars. Color-color diagrams can therefore be prepared in which each point corresponds to a particular combination of T-eff and M/H. Comparison of observed with synthetic colors yields estimates of those parameters generally, but not necessarily under the assumption that log g(cgs) = 5. Results are presented for twelve stars of astrophysical interest.
引用
收藏
页码：1956 / 1967
页数：12
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