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

被引：9
|
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.
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页码：851 / 856
页数：6
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