Kepler-14b: A massive hot Jupiter transiting an F star in a close visual binary

Buchhave, Lars A. and Latham, David W. and Carter, Joshua A. and Desert, Jean Michel and Torres, Guillermo and Adams, Elisabeth R. and Bryson, Stephen T. and Charbonneau, David B. and Ciardi, David R. and Kulesa, Craig and Dupree, Andrea K. and Fischer, Debra A. and Fressin, Francois and Gautier, Thomas N. and Gilliland, Ronald L. and Howell, Steve B. and Isaacson, Howard and Jenkins, Jon M. and Marcy, Geoffrey W. and McCarthy, Donald W. and Rowe, Jason F. and Batalha, Natalie M. and Borucki, William J. and Brown, Timothy M. and Caldwell, Douglas A. and Christiansen, Jessie L. and Cochran, William D. and Deming, Drake and Dunham, Edward W. and Everett, Mark and Ford, Eric B. and Fortney, Jonathan J. and Geary, John C. and Girouard, Forrest R. and Haas, Michael R. and Holman, Matthew J. and Horch, Elliott and Klaus, Todd C. and Knutson, Heather A. and Koch, David G. and Kolodziejczak, Jeffrey and Lissauer, Jack J. and MacHalek, Pavel and Mullally, Fergal and Still, Martin D. and Quinn, Samuel N. and Seager, Sara and Thompson, Susan E. and Van Cleve, Jeffrey (2011) Kepler-14b: A massive hot Jupiter transiting an F star in a close visual binary. Astrophysical Journal, Supplement Series, 197 (1). pp. 3-12. ISSN 0067-0049

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We present the discovery of a hot Jupiter transiting an F star in a close visual (03 sky projected angular separation) binary system. The dilution of the host star's light by the nearly equalmagnitude stellar companion (∼0.5mag fainter) significantly affects the derived planetary parameters, and if left uncorrected, leads to an underestimate of the radius and mass of the planet by 10% and 60%, respectively. Other published exoplanets, which have not been observed with high-resolution imaging, could similarly have unresolved stellar companions and thus have incorrectly derived planetary parameters. Kepler-14b (KOI-98) has a period of P = 6.790 days and, correcting for the dilution, has a mass of Mp = 8.40+0.35 -0.34 M J and a radius of Rp = 1.136+0.073 -0.054 R J, yielding a mean density of ρp = 7.1 ± 1.1 g cm-3.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Access to published version in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: No Faculty
Faculty/School / Institute/Centre: No Faculty
Date Deposited: 18 Jun 2017 22:35
Last Modified: 31 Aug 2018 01:21
Uncontrolled Keywords: planetary systems; stars; Kepler-14b; KIC 10264660; 2MASS J19105011+4719589; photometry; spectroscopy
Fields of Research (2008): 02 Physical Sciences > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems
Socio-Economic Objectives (2008): E Expanding Knowledge > 97 Expanding Knowledge > 970102 Expanding Knowledge in the Physical Sciences
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