Two Secondary Eclipses of WASP-18b

Details Two Secondary Eclipses of WASP-18b Two Secondary Eclipses of WASP-18b

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.2718n&link_type=abstract

American Astronomical Society, DPS meeting #42, #27.18; Bulletin of the American Astronomical Society, Vol. 42, p.1063

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The transiting exoplanet WASP-18b was discovered in 2008 by the Wide Angle Search for Planets (WASP) project. The Spitzer Exoplanet Target of Opportunity Program observed secondary eclipses of WASP-18b using Spitzer's Infrared Array Camera (IRAC) in the 3.6 micron and 5.8 micron bands on 2008 December 20, and in the 4.5 micron and 8.0 micron bands on 2008 December 24. We present a pressure-temperature profile, eclipse depths and brightness temperatures of WASP-18b, which is one of the hottest planets yet discovered, as hot as an M-dwarf star. These observations are part of the Spitzer Exoplanet Target of Opportunity program, which observes eclipses and transits of new exoplanets. Spitzer is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA, which provided support for this work.

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