Period variations in extrasolar transiting planet OGLE-TR-111b

Details Period variations in extrasolar transiting planet OGLE-TR-111b Period variations in extrasolar transiting planet OGLE-TR-111b

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iaus..253..450d&link_type=abstract

Transiting Planets, Proceedings of the International Astronomical Union, IAU Symposium, Volume 253, p. 450-453

Astronomy and Astrophysics

Astronomy

Scientific paper

Two consecutive transits of planetary companion OGLE-TR-111b were observed in the I band. Combining these observations with data from the literature, we find that the timing of the transits cannot be explained by a constant period, and that the observed variations cannot be originated by the presence of a satellite. However, a perturbing planet with the mass of the Earth in an exterior orbit could explain the observations if the orbit of OGLE-TR-111b is eccentric. We also show that the eccentricity needed to explain the observations is not ruled out by the radial velocity data found in the literature.

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