Studying Atmospheres Of Exoplanets With The VLT: Near IR Eclipses Of WASP-17b And WASP-18b

Details Studying Atmospheres Of Exoplanets With The VLT: Near IR Eclipses Of WASP-17b And WASP-18b Studying Atmospheres Of Exoplanets With The VLT: Near IR Eclipses Of WASP-17b And WASP-18b

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.4021h&link_type=abstract

American Astronomical Society, ESS meeting #2, #40.21

Astronomy and Astrophysics

Astronomy

Scientific paper

Secondary eclipse measurements of a transiting planet obtained when the planet is occulted by its host star provide important information about the thermal emission of the planet itself. Studies of the planet's atmosphere is possible when such eclipse observations are made over a range of wavelengths. In addition, the eclipse timing is useful for determining the orbital eccentricity of the system which is a key parameter in understanding the tidal history and internal energy budget of the planet. Here, we present new H and K-band observations of the secondary eclipses of two unique transiting planets, WASP-17b and WASP-18b. These data were obtained with the HAWK-1 instrument on the VLT and are part of a larger program to obtain ground based, near IR eclipses of a large number of transiting planets.

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