Phase‐dependent Properties of Extrasolar Planet Atmospheres | Zendy

Travis Barman | Zendy; Peter H. Hauschildt | Zendy; F. Allard | Zendy

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Phase‐dependent Properties of Extrasolar Planet Atmospheres

Author(s) -

Travis Barman,

Peter H. Hauschildt,

F. Allard

Publication year - 2005

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/444349

Subject(s) - exoplanet , planet , physics , astrobiology , astrophysics , spitzer space telescope , stars , flux (metallurgy) , astronomy , atmospheric models , ionosphere , materials science , metallurgy

Recently the Spitzer Space Telescope observed the transiting extrasolarplanets, TrES-1 and HD209458b. These observations have provided the firstestimates of the day side thermal flux from two extrasolar planets orbitingSun-like stars. In this paper, synthetic spectra from atmospheric models arecompared to these observations. The day-night temperature difference isexplored and phase-dependent flux densities are predicted for both planets. ForHD209458b and TrES-1, models with significant day-to-night energyredistribution are required to reproduce the observations. However, theobservational error bars are large and a range of models remains viable.Comment: 8 pages, 7 figures, accepted for publication in the Astrophysical Journa

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