Sub-saturn planetary candidates of HD 16141 and HD 46375

被引：71

作者：

Marcy, GW

Butler, RP

Vogt, SS

机构：

[1] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[2] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA

[3] Carnegie Inst Washington, Dept Terr Magnetism, Washington, DC 20015 USA

[4] Univ Calif Santa Cruz, Lick Observ, UCO, Santa Cruz, CA 95064 USA

来源：

ASTROPHYSICAL JOURNAL | 2000年 / 536卷 / 01期

基金：

美国国家科学基金会;

关键词：

planetary systems; stars : individual (HD 16141; HD 46375);

D O I：

10.1086/312723

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Precision Doppler measurements from the Reck High-Resolution. Echelle Spectrograph reveal periodic Keplerian velocity variations in the stars HD 16141 and HD 46375. HD 16141 (G5 IV) has a period of 75.8 days and a velocity amplitude of 11 m s(-1), yielding a companion having M sin i = 0.22 M-JUP and a semimajor axis of a = 0.35 AU. HD 46375 (K1 IV-V) has a Period of 3.024 days and a velocity amplitude of 35 m s(-1), yielding a companion with M sin i = 0.25 M-JUP, a semimajor axis of a = 0.041 AU, and an eccentricity of 0.04 (consistent with zero). These companions contribute to the rising planet mass function toward lower masses.

引用

页码：L43 / L46

页数：4

共 26 条

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