THE SPECTROSCOPIC ORBITS OF FIVE SOLAR-TYPE, SINGLE-LINED BINARIES

被引：30
|
作者：
Fekel, Francis C. [1 ]
Rajabi, Samira [1 ]
Muterspaugh, Matthew W. [1 ]
Williamson, Michael H. [1 ]
机构：
[1] Tennessee State Univ, Ctr Excellence Informat Syst, Nashville, TN 37209 USA
来源：
ASTRONOMICAL JOURNAL | 2013年 / 145卷 / 04期
基金：
美国国家科学基金会;
关键词：
binaries: spectroscopic; stars: abundances; stars:; individual; (HD; 100167; HD; 135991; 140667; 158222; 217924); GENEVA-COPENHAGEN SURVEY; LATE-TYPE STARS; G-DWARF; RADIAL-VELOCITIES; NEARBY STARS; COOL STARS; F-DWARF; NEIGHBORHOOD; EVOLUTION; AGES;
D O I：
10.1088/0004-6256/145/4/111
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have determined spectroscopic orbits for five single-lined spectroscopic binaries, HD 100167, HD 135991, HD 140667, HD 158222, HD 217924. Their periods range from 60.6 to 2403 days and the eccentricities from 0.20 to 0.84. Our spectral classes for the stars confirm that they are of solar type, F9-G5, and all are dwarfs. Their [Fe/H] abundances, determined spectroscopically, are close to the solar value and on average are 0.12 greater than abundances from a photometric calibration. Four of the five stars are rotating faster than their predicted pseudosynchronous rotational velocities.
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页数：8
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