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American Association for the Advancement of Science, Science, 6101(337), p. 1511-1514, 2012

DOI: 10.1126/science.1228380

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Kepler-47: A Transiting Circumbinary Multiplanet System

Journal article published in 2012 by J. A. Orosz, W. F. Welsh, J. A. Carter, D. C. Fabrycky, W. D. Cochran, M. Endl, E. B. Ford, N. Haghighipour, P. J. MacQueen, T. Mazeh, R. Sanchis-Ojeda, D. R. Short, G. Torres, E. Agol, L. A. Buchhave ORCID and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A Pair of Planets Around a Pair of Stars Most of the planets we know about orbit a single star; however, most of the stars in our galaxy are not single. Based on data from the Kepler space telescope, Orosz et al. (p. 1511 , published online 28 August) report the detection of a pair of planets orbiting a pair of stars. These two planets are the smallest of the known transiting circumbinary planets and have the shortest and longest orbital periods. The outer planet resides in the habitable zone—the “goldilocks” region where the temperatures could allow liquid water to exist. This discovery establishes that, despite the chaotic environment around a close binary star, a system of planets can form and persist.