From Hot Jupiters to Super-Earths: Characterizing the Atmospheres of Extrasolar Planets with the Spitzer Space Telescope

Details From Hot Jupiters to Super-Earths: Characterizing the Atmospheres of Extrasolar Planets with the Spitzer Space Telescope From Hot Jupiters to Super-Earths: Characterizing the Atmospheres of Extrasolar Planets with the Spitzer Space Telescope

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.3104k&link_type=abstract

American Astronomical Society, DPS meeting #41, #31.04

Astronomy and Astrophysics

Astronomy

Scientific paper

The Spitzer Space Telescope has been a remarkably successful platform for studies of exoplanet atmospheres, with notable results including the first detection of the light emitted by an extrasolar planet, the first spectrum of an extrasolar planet, and the first map of the flux distribution across the surface of an extrasolar planet. These observations have allowed us to study the pressure-temperature profiles, chemistry, clouds, and circulation patterns of a select subset of the massive, close-in planets known as hot Jupiters, along with the hot Saturn HD 149026b and the cooler Neptune-mass planet GJ 436b. These planets have properties that differ substantially from those of their solar system counterparts and therefore provide an invaluable opportunity to extend our observations of planetary atmospheres to a wide range of environments. In my talk I will review the current status of Spitzer observations of transiting planets at the end of the cryogenic mission and look ahead to the observations planned for the two-year warm mission, which began in the summer of 2009 after the last of Spitzer's cryogen was exhausted.

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