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American Astronomical Society, Astrophysical Journal, 1(782), p. 47, 2014

DOI: 10.1088/0004-637x/782/1/47

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Super-massive planets around late-type stars - the case of OGLE-2012-BLG-0406Lb

Journal article published in 2013 by Radosław Poleski, Andrzej Udalski, Subo Dong, Michał K. Szymański, Igor Soszyński, Marcin Kubiak, Grzegorz Pietrzyński, Szymon Kozłowski ORCID, Paweł Pietrukowicz, Krzysztof Ulaczyk ORCID, Jan Skowron, Łukasz Wyrzykowski, Andy Gould
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The core accretion theory of planetary formation does not predict that super-Jupiters will form beyond the snow line of a low mass stars. We present a discovery of 3.9 +- 1.2 M_Jup mass planet orbiting the 0.59 +- 0.17 M_Sun star using the gravitational microlensing method. During the event, the projected separation of the planet and the star is 3.9 +- 1.0 AU i.e., the planet is significantly further from the host star than the snow line. This is a fourth such planet discovered using the microlensing technique and challenges the core accretion theory.