HATS-1b: The First Transiting Planet Discovered by the HATSouth Survey

K. Penev (1,2); G. \'A. Bakos (1,2); D. Bayliss (3); A. Jord\'an (4),; M. Mohler (5); G. Zhou (3); V. Suc (4); M. Rabus (4); J. D. Hartman (1,2); L.; Mancini (5); B. B\'eky (2); Z. Csubry (1,2); L. Buchhave (6); T. Henning (5),; N. Nikolov (5); B. Cs\'ak (5); R. Brahm (4); N. Espinoza (4); P. Conroy (3),; R. W. Noyes (2); D. D. Sasselov (2); B. Schmidt (3); D. J. Wright (7); C. G.; Tinney (7); B. C. Addison (7); J. L\'az\'ar (8); I. Papp (8); P. S\'ari (8); ((1) Department of Astrophysical Sciences; Princeton University; (2) CfA; (3); ANU; (4) PUC; (5) MPIA; (6) Niels Bohr Institute; (7) NSW; (8) HAA)

arXiv:1206.1524·astro-ph.EP·June 5, 2015

HATS-1b: The First Transiting Planet Discovered by the HATSouth Survey

K. Penev (1,2), G. \'A. Bakos (1,2), D. Bayliss (3), A. Jord\'an (4),, M. Mohler (5), G. Zhou (3), V. Suc (4), M. Rabus (4), J. D. Hartman (1,2), L., Mancini (5), B. B\'eky (2), Z. Csubry (1,2), L. Buchhave (6), T. Henning (5),, N. Nikolov (5), B. Cs\'ak (5), R. Brahm (4)

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TL;DR

This paper reports the discovery of HATS-1b, the first transiting exoplanet found by the HATSouth survey, showcasing the effectiveness of a global telescope network for planet detection.

Contribution

It presents the first planet discovered by HATSouth, demonstrating the survey's capability with continuous multi-day light curves.

Findings

01

HATS-1b has a 3.4465-day orbital period.

02

HATS-1b's mass is approximately 1.86 times that of Jupiter.

03

HATS-1b's radius is about 1.30 times that of Jupiter.

Abstract

We report the discovery of HATS-1b, a transiting extrasolar planet orbiting the moderately bright V=12.05 G dwarf star GSC 6652-00186, and the first planet discovered by HATSouth, a global network of autonomous wide-field telescopes. HATS-1b has a period P~3.4465 d, mass Mp~1.86MJ, and radius Rp~1.30RJ. The host star has a mass of 0.99Msun, and radius of 1.04Rsun. The discovery light curve of HATS-1b has near continuous coverage over several multi-day periods, demonstrating the power of using a global network of telescopes to discover transiting planets.

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