Direct Spectroscopic Characterization of Hot Exoplanet Atmospheres

Details Direct Spectroscopic Characterization of Hot Exoplanet Atmospheres Direct Spectroscopic Characterization of Hot Exoplanet Atmospheres

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1393b&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1393

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We will present current results from our program using high-contrast, high-resolution spectroscopy to directly detect and characterize the atmospheres of short period, hot exoplanets. Our observations target the thermal emission of these planets, and are sensitive to molecules in their atmospheres. We treat these planet+star systems as spectroscopic binaries, and measure the radial velocity of the planet with orbital phase and the planet/star flux ratio at specific bandpasses. These quantities yield a planet's true mass and probe the physics and chemistry of its atmosphere. This technique can directly characterize the large population of non-transiting planets that other surveys are insensitive to.

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