Comparative planetary atmospheres: models of HD 209458b, TrES-1, and HD 149026b

Details Comparative planetary atmospheres: models of HD 209458b, TrES-1, and HD 149026b Comparative planetary atmospheres: models of HD 209458b, TrES-1, and HD 149026b

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006tafp.conf..234f&link_type=abstract

"Tenth Anniversary of 51 Peg-b: Status of and prospects for hot Jupiter studies. Colloquium held at Observatoire de Haute Proven

Computer Science

Scientific paper

We present new self-consistent atmosphere models for transiting planets HD 209458b, TrES-1, and HD 149026b, and compare the planets' pressure-temperature profiles and infrared spectra. Their atmospheres likely span a range of T_{eff} from ˜1100 to 1750 K (and may reach up to 2100 K). HD 209458b and TrES-1 were recently observed with the Spitzer Space Telescope. We compare our spectra to the Spitzer observations and discuss what deviations from standard solar composition atmospheres are needed. Hot stratospheres may be present in these atmospheres, especially for the hottest planet, HD 149026b.

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