HAT-P-6b:: A hot jupiter transiting a bright F star

被引:64
|
作者
Noyes, R. W. [1 ]
Bakos, G. A. [1 ]
Torres, G. [1 ]
Pal, A. [1 ,2 ]
Kovacs, Geza [3 ]
Latham, D. W. [1 ]
Fernandez, J. M. [1 ]
Fischer, D. A. [4 ]
Butler, R. P. [5 ]
Marcy, G. W. [6 ]
Sipocz, B. [1 ,2 ]
Esquerdo, G. A. [1 ]
Kovacs, Gabor [1 ]
Sasselov, D. D. [1 ]
Sato, B. [7 ]
Stefanik, R. [1 ]
Holman, M. [1 ]
Lazar, J. [8 ]
Papp, I. [8 ]
Sari, P. [8 ]
机构
[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[2] Eotvos Lorand Univ, Dept Astron, Budapest, Hungary
[3] Konkoly Observ Budapest, Budapest, Hungary
[4] San Francisco State Univ, Dept Phys & Astron, San Francisco, CA 94132 USA
[5] Carnegie Inst Washington, Dept Terr Magnetism, Washington, DC 20015 USA
[6] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA
[7] Tokyo Inst Technol, Tokyo 152, Japan
[8] Hungarian Astron Assoc, Budapest, Hungary
来源
ASTROPHYSICAL JOURNAL LETTERS | 2008年 / 673卷 / 01期
关键词
planetary systems; stars; individual; (GSC; 03239-00992; HAT-P-6);
D O I
10.1086/527358
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In the ongoing HATNet survey we have detected a giant planet, with radius 1.33 +/- 0.06 R(Jup) and mass 1.06 +/- 0.12 M(Jup), transiting the bright (V = 10.5) star GSC 03239-00992. The planet is in a circular orbit with period days and midtransit epoch 2,454,035.67575 +/- 0.00028 ( HJD). The parent star is 3.852985 +/- 0.000005 a late F star with mass, radius, 1.29 +/- 0.06 M(circle dot), radius 1.46 +/- 0.06 R(circle dot), T(eff) similar to 6570 +/- 80 K [Fe/H] = -0.13 +/- 0.08, and age similar to 2.3(-0.7)(+0.5) Gyr. With this radius and mass, HAT-P-6b has somewhat larger radius than theoretically expected. We describe the observations and their analysis to determine physical properties of the HAT- P- 6 system, and briefly discuss some implications of this finding.
引用
收藏
页码:L79 / L82
页数:4
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