A SPECTROSCOPIC AND PHOTOMETRIC-STUDY OF THE GIANT STAR HD-101841 - A VERY SHORT-PERIOD BINARY-SYSTEM

被引：0
|
作者：
DEMEDEIROS, JR
DUQUENNOY, A
LEBRE, A
BURKI, G
机构：
[1] OBSERV GENEVA, CH-1290 SAUVERNY, SWITZERLAND
[2] UNIV MONTPELLIER 2, GRAAL CP072, CNRS, URA 1368, F-34095 MONTPELLIER 05, FRANCE
来源：
ASTRONOMY & ASTROPHYSICS | 1994年 / 286卷 / 02期
关键词：
STARS; GIANT; BINARIES; SPECTROSCOPIC; ACTIVITY; FUNDAMENTAL PARAMETERS; HD-101841;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The giant star HD 101841 is a single lined spectroscopic binary with an orbital period of 3.11 days and an assumed circular orbit. No sign of Halpha emission or significant Li I 6707.81 angstrom features were found. Photometric observations show a micro-variability of about 0.014 magnitude in V. Different studies give a F3II spectral classification but we found strong evidences that HD 101841 is probably a F3III-IV giant star.
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页码：481 / 485
页数：5
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