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A stellar flare during the transit of the extrasolar planet OGLE-TR-10b

By Samuel J. Bentley, Coel Hellier, Pierre Maxted, V. S. Dhillon, T. R. Marsh, C. M. Copperwheat and S. P. Littlefair


We report a stellar flare occurring during a transit of the exoplanet OGLE-TR-10b, an event not previously reported in the literature. This reduces the observed transit depth, particularly in the u'-band, but flaring could also be significant in other bands and could lead to incorrect planetary parameters. We suggest that OGLE-TR-10a is an active planet-hosting star and has an unusually high X-ray luminosity

Topics: QB
Publisher: EDP Sciences
Year: 2009
OAI identifier:

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