A time-dependent radiative model for the atmosphere of the eccentric exoplanets

Details A time-dependent radiative model for the atmosphere of the eccentric exoplanets A time-dependent radiative model for the atmosphere of the eccentric exoplanets

2010-01-07

arxiv.org/abs/1001.1171v2

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

Accepted for publication in the Astrophysical Journal (In Press)

Scientific paper

We present a time-dependent radiative model for the atmosphere of extrasolar planets that takes into account the eccentricity of their orbit. In addition to the modulation of stellar irradiation by the varying planet-star distance, the pseudo-synchronous rotation of the planets may play a significant role. We include both of these time-dependent effects when modeling the planetary thermal structure. We investigate the thermal structure, and spectral characteristics for time-dependent stellar heating for two highly eccentric planets. Finally, we discuss observational aspects for those planets suitable for Spitzer measurements, and investigate the role of the rotation rate.

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