HAT-P-55b: A Hot Jupiter Transiting a Sun-Like Star

被引：10
|
作者：
Juncher, D. [1 ,2 ]
Buchhave, L. A. [2 ,3 ]
Hartman, J. D. [4 ]
Bakos, G. A. [4 ]
Bieryla, A. [3 ]
Kovacs, T. [4 ,5 ]
Boisse, I. [6 ]
Latham, D. W. [3 ]
Kovacs, G. [5 ]
Bhatti, W. [4 ]
Csubry, Z. [4 ]
Penev, K. [4 ]
De Val-Borro, M. [4 ]
Falco, E. [3 ]
Torres, G. [3 ]
Noyes, R. W. [3 ]
Lazar, J. [7 ]
Papp, I. [7 ]
Sari, P. [7 ]
机构：
[1] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[2] Univ Copenhagen, Nat Hist Museum Denmark, Ctr Star & Planet Format, DK-1350 Copenhagen, Denmark
[3] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[4] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA
[5] Konkoly Observ Budapest, H-1121 Budapest, Hungary
[6] Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France
[7] HAA, Budapest, Hungary
来源：
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 2015年 / 127卷 / 955期
基金：
新加坡国家研究基金会;
关键词：
PLANET; FIELD; EXOPLANETS; ALGORITHM;
D O I：
10.1086/682725
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report the discovery of a new transiting extrasolar planet, HAT-P-55b. The planet orbits a V = 13.207 +/- 0.039 sun-like star with a mass of 1.013 +/- 0.037 M-circle dot, a radius of 1.011 +/- 0.036 R-circle dot, and a metallicity of -0.03 +/- 0.08. The planet itself is a typical hot Jupiter with a period of 3.5852467 +/- 0.0000064 days, a mass of 0.582 +/- 0.056 M-J and a radius of 1.182 +/- 0.055 R-J. This discovery adds to the increasing sample of transiting planets with measured bulk densities, which is needed to put constraints on models of planetary structure and formation theories.
引用
收藏
页码：851 / 856
页数：6
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