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Constraining the oblateness of Kepler planets

Zhu, Wei; Huang, Chelsea X.; Zhou, Guyin (George); Lin, D.N.C.

Description

We use Kepler short-cadence light curves to constrain the oblateness of planet candidates in the Kepler sample. The transits of rapidly rotating planets that are deformed in shape will lead to distortions in the ingress and egress of their light curves. We report the first tentative detection of an oblate planet outside the solar system, measuring an oblateness of for the 18 MJ mass brown dwarf Kepler 39b (KOI 423.01). We also provide constraints on the oblateness of the planets (candidates)...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/76041
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/796/1/67

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