Velocity curve analysis of spectroscopic binary stars AI Phe, GM Dra, HD 93917 and V502 Oph by nonlinear regression

被引：13
|
作者：
Karami, K.
Mohebi, R.
机构：
[1] Univ Kurdistan, Dept Phys, Sanandaj, Iran
[2] Res Inst Astron & Astrophys Maragha, Maragha, Iran
[3] Inst Adv Studies Basic Sci, Zanjan, Iran
来源：
CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS | 2007年 / 7卷 / 04期
关键词：
stars : binaries : eclipsing; stars : binaries : spectroscopic;
D O I：
10.1088/1009-9271/7/4/12
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We introduce a new method to derive the orbital parameters of spectroscopic binary stars by nonlinear least squares of (o - c). Using the measured radial velocity data of the four double lined spectroscopic binary systems, AI Phe, GM Dra, HD 93917 and V502 Oph, we derived both the orbital and combined spectroscopic elements of these systems. Our numerical results are in good agreement with the those obtained using the method of Lehmann-Filhes.
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页码：558 / 564
页数：7
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