期刊
ASTRONOMY & ASTROPHYSICS
卷 496, 期 2, 页码 L5-L8出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361/200911689
关键词
stars: individual: HD 60532; stars: planetary systems; techniques: radial velocities; methods: numerical
资金
- Funda ao Calouste Gulbenkian (Portugal)
- French PNP-CNRS
A recent paper has reported that there is a planetary system around the star HD60532, composed of two giant planets in a possible 3: 1 mean motion resonance, which should be confirmed within the next decade. Here we show that the analysis of the global dynamics of the system already allows this resonance to be confirmed. The present best fit to the data corresponds to this resonant configuration, and the system is stable for at least 5 Gyr. The 3:1 resonance is so robust that stability is still possible for a wide variety of orbital parameters around the best-fit solution and would also be if the inclination of the system orbital plane is as small as 15 degrees with respect to the plane of the sky. Moreover, if the inclination is taken as a free parameter in the adjustment to observations, we find an inclination similar to 20 degrees, which corresponds to M(b) = 3.1 M(Jup) and M(c) = 7.4 M(Jup) for the planetary companions.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据