The CORALIE survey for southern extra-solar planets - XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE

被引：220

作者：

Mayor, M

Udry, S

Naef, D

Pepe, F

Queloz, D

Santos, NC

Burnet, M

机构：

[1] Observ Geneva, CH-1290 Sauverny, Switzerland

[2] Univ Lisbon, Observ Astron Lisboa, Ctr Astron & Astrofis, P-1349018 Lisbon, Portugal

来源：

ASTRONOMY & ASTROPHYSICS | 2004年 / 415卷 / 01期

关键词：

techniques : radial velocities; techniques : spectroscopic; stars : activity; stars : planetary systems;

D O I：

10.1051/0004-6361:20034250

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This paper summarizes the information gathered for 16 still unpublished exoplanet candidates discovered with the CORALIE echelle spectrograph mounted on the Euler Swiss telescope at La Silla Observatory. Amongst these new candidates, 10 are typical extrasolar Jupiter-like planets on intermediate- or long-period (100 < P <= 1350 d) and fairly eccentric (0.2 <= e <= 0.5) orbits (HD 19994, HD 65216, HD 92788, HD 111232, HD 114386, HD 142415, HD 147513, HD 196050, HD 216437, HD 216770). Two of these stars are in binary systems. The next 3 candidates are shorter-period planets (HD 6434, HD 121504) with lower eccentricities among which we find a hot Jupiter (HD 83443). More interesting cases are given by the multiple-planet systems HD 82943 and HD 169830. The former is a resonant P-2/P-1 = 2/1 system in which planet-planet interactions are influencing the system evolution. The latter is more hierarchically structured.

引用

页码：391 / 402

页数：12

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