Sato, Bun'ei and Hartman, Joel D. and Bakos, Gaspar Á. and Béky, Bence and Torres, Guillermo and Latham, David W. and Kovács, Géza and Csubry, Zoltán and Penev, Kaloyan and Noyes, Robert W. and Buchhave, Lars A. and Quinn, Samuel N. and Everett, Mark and Esquerdo, Gilbert A. and Fischer, Debra A. and Howard, Andrew W. and Johnson, John A. and Marcy, Geoff W. and Sasselov, Dimitar D. and Szklenár, Tamás and Lázár, József and Papp, István and Sári, Pál (2012) HAT-P-38b: A Saturn-Mass Planet Transiting a Late G Star. Publications of the Astronomical Society of Japan, 64 (5). Art. No. 97. ISSN 0004-6264. https://resolver.caltech.edu/CaltechAUTHORS:20130205-162243030
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Abstract
We report on the discovery of HAT-P-38b, a Saturn-mass exoplanet, transiting the V = 12.56 dwarf star GSC 2314-00559 on a P = 4.6404 d circular orbit. The host star is a 0.89 M_⊙ late G dwarf, with solar metallicity and a radius of 0.92 R_⊙. The planetary companion has a mass of 0.27 M_J and a radius of 0.82 R_J. HAT-P-38b is one of the planets the mass and radius of which have ever been discovered to be the closest to those of Saturn.
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| Additional Information: | © 2012 Astronomical Society of Japan. Received 2012 January 25; accepted 2012 March 13. HATNet operations have been funded by NASA grants NNG04GN74G, NNX08AF23G, NNX09AB29G and SAO IR&D grants. GT acknowledges partial support from NASA grant NNX09AF59G. We also acknowledge partial support from the Kepler Mission under NASA Cooperative Agreement NCC2-1390 (DWL, PI). GK thanks the Hungarian Scientific Research Foundation (OTKA) for support through grant K-81373. This research has made use of Keck telescope time granted through NASA (N108Hr). Based in part on data collected at Subaru Telescope, which is operated by the National Astronomical Observatory of Japan. | ||||||||||||||||||||||||||||||
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| Subject Keywords: | stars: individual (GSC 2314-00559); stars: planetary systems; techniques: photometric; techniques: spectroscopic | ||||||||||||||||||||||||||||||
| Issue or Number: | 5 | ||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20130205-162243030 | ||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130205-162243030 | ||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||
| ID Code: | 36789 | ||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||
| Deposited By: | Jason Perez | ||||||||||||||||||||||||||||||
| Deposited On: | 08 Feb 2013 16:12 | ||||||||||||||||||||||||||||||
| Last Modified: | 09 Mar 2020 13:19 |
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