Phase-dependent properties of extrasolar planet atmospheres

Travis S Barman, Peter H. Hauschildt, France Allard

Research output: Contribution to journalArticle

120 Scopus citations


Recently the Spitzer Space Telescope observed the transiting extrasolar planets, TrES-1 and HD 209458h. These observations have provided the first estimates of the day-side thermal flux from two extrasolar planets orbiting Sun-like stars. In this paper, synthetic spectra from atmospheric models are compared to these observations. The day-night temperature difference is explored and phase-dependent flux densities are predicted for both planets. For HD 209458b and TrES-1, models with significant day-to-night energy redistribution are required to reproduce the observations. However, the observational error bars are large, and a range of models remains viable.

Original languageEnglish (US)
Pages (from-to)1132-1139
Number of pages8
JournalAstrophysical Journal
Issue number2 I
Publication statusPublished - Oct 20 2005
Externally publishedYes



  • Planetary systems
  • Radiative transfer

ASJC Scopus subject areas

  • Space and Planetary Science

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