Characterizing Hot Jupiter Transiting Extrasolar Planets with Spitzer Data

Details Characterizing Hot Jupiter Transiting Extrasolar Planets with Spitzer Data Characterizing Hot Jupiter Transiting Extrasolar Planets with Spitzer Data

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20366s&link_type=abstract

Spitzer Proposal ID #20366

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Scientific paper

The field of extrasolar planet characterization has taken a dramatic step forward with the first direct detection of photons from an extrasolar planet by Spitzer. The flux decrement of the combined light of the planet and star was detected during secondary eclipse of the HD209458 system. Together with the measured stellar flux, this flux decrement gives a direct value for the planetary flux. The detection, made with MIPS at 24 microns, is at a wavelength several times longer than the expected peak of the planetary thermal emission (2 microns for a 1500K blackbody). Therefore, radiative transfer and atmospheric circulation models of the planetary atmosphere are essential to properly interpret this and other Spitzer measurements of extrasolar planets. This proposal aims to interpret Spitzer data in order to understand the atmospheres and physical characteristics of HD209458b and other hot Jupiter transiting extrasolar planets.

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