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2013A&A...550A..67P - Astronomy and Astrophysics, volume 550A, 67-67 (2013/2-1)

Secondary eclipses in the CoRoT light curves. A homogeneous search based on Bayesian model selection.


Abstract (from CDS):

We aim to identify and characterize secondary eclipses in the original light curves of all published CoRoT planets using uniform detection and evaluation critetia. Our analysis is based on a Bayesian model selection between two competing models: one with and one without an eclipse signal. The search is carried out by mapping the Bayes factor in favor of the eclipse model as a function of the eclipse center time, after which the characterization of plausible eclipse candidates is done by estimating the posterior distributions of the eclipse model parameters using Markov chain Monte Carlo. We discover statistically significant eclipse events for two planets, CoRoT-6b and CoRoT-11b, and for one brown dwarf, CoRoT-15b. We also find marginally significant eclipse events passing our plausibility criteria for CoRoT-3b, 13b, 18b, and 21b. The previously published CoRoT-1b and CoRoT-2b eclipses are also confirmed.

Abstract Copyright:

Journal keyword(s): planetary systems - eclipses - methods: statistical

Simbad objects: 44

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