HAT-P-50b, HAT-P-51b, HAT-P-52b, AND HAT-P-53b: THREE TRANSITING HOT JUPITERS AND A TRANSITING HOT SATURN FROM THE HATNET SURVEY

被引：27

作者：

Hartman, J. D. ^{[1
]}

Bhatti, W. ^{[1
]}

Bakos, G. A. ^{[1
]}

Bieryla, A. ^{[2
]}

Kovacs, G. ^{[3
]}

Latham, D. W. ^{[2
]}

Csubry, Z. ^{[1
]}

de Val-Borro, M. ^{[1
]}

Penev, K. ^{[1
]}

Buchhave, L. A. ^{[2
,4
,5
]}

Torres, G. ^{[2
]}

Howard, A. W. ^{[6
]}

Marcy, G. W. ^{[7
]}

Johnson, J. A. ^{[2
]}

Isaacson, H. ^{[7
]}

Sato, B. ^{[8
]}

Boisse, I. ^{[9
]}

Falco, E. ^{[2
]}

Everett, M. E. ^{[10
]}

Szklenar, T. ^{[11
]}

Fulton, B. J. ^{[6
]}

Shporer, A. ^{[12
]}

Kovacs, T. ^{[1
,3
]}

Hansen, T. ^{[13
]}

Beky, B. ^{[2
]}

Noyes, R. W. ^{[2
]}

Lazar, J. ^{[11
]}

Papp, I. ^{[11
]}

Sari, P. ^{[11
]}

机构：

[1] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA

[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[3] Konkoly Observ Budapest, Budapest, Hungary

[4] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[5] Natl Hist Museum Denmark, Ctr Star & Planet Format, DK-1350 Copenhagen, Denmark

[6] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA

[7] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[8] Tokyo Inst Technol, Meguro Ku, Tokyo 1528550, Japan

[9] Aix Marseille Univ, CNRS, UMR 7326, LAM, F-13388 Marseille, France

[10] Natl Opt Astron Observ, Tucson, AZ 85719 USA

[11] Hungarian Astron Assoc, Budapest, Hungary

[12] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[13] ZAH, Landessternwarte, D-69117 Heidelberg, Germany

来源：

ASTRONOMICAL JOURNAL | 2015年 / 150卷 / 06期

关键词：

planetary systems; stars:; individual; (HAT-P-50; HAT-P-51; HAT-P-52; HAT-P-53); techniques: photometric; techniques: spectroscopic; OKAYAMA HIDES; IODINE CELLS; BRIGHT STAR; SUBARU HDS; PLANET; ALGORITHM; SPECTROGRAPH; TELESCOPE; PROJECT; ORBIT;

D O I：

10.1088/0004-6256/150/6/168

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery and characterization of four transiting exoplanets by the HATNet survey. The planet HAT-P-50b has a mass of 1.35 M-J and radius of 1.29 R-J, and orbits a bright (V = 11.8 mag) M = 1.27 M-circle dot, R = 1.70 R-circle dot star every P = 3.1220 days. The planet HAT-P-51b has a mass of 0.31 M-J and radius of 1.29 R-J, and orbits a V = 13.4 mag, M = 0.98 M-circle dot, R = 1.04 R. star with a period of P = 4.2180 days. The planet HAT-P-52b has a mass of 0.82M(J) and radius of 1.01 R-J, and orbits a V = 14.1 mag, M = 0.89 M-circle dot, R = 0.89 R-circle dot star with a period of P = 2.7536 days. The planet HAT-P-53b has a mass of 1.48 M-J and radius of 1.32 R-J, and orbits a V = 13.7 mag, M = 1.09 M-circle dot, R = 1.21R. star with a period of P = 1.9616 days. All four planets are consistent with having circular orbits and have masses and radii measured to better than 10% precision. The low stellar jitter and favorable Rp/R circle dot ratio for HAT-P-51 make it a promising target for measuring the Rossiter-McLaughlin effect for a Saturnmass planet.

引用

页数：17

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