Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924511z&link_type=abstract
American Astronomical Society, AAS Meeting #219, #245.11
Astronomy and Astrophysics
Astronomy
Scientific paper
Characterization of hot Jupiter atmospheres allow us to understand the composition, structure, and formation process of these objects. It also paves the way for our eventual characterizations of Earth-like planets. Detections of secondary eclipses of transiting planets in the near-IR provide us information about their atmospheric properties such as temperature-pressure profiles, thermal inversion and chemical composition, and are highly complementary to the Spitzer measurements at longer wavelengths.
We present our recent progress and results from ground-based observations of three hot Jupiters (CoRoT-1b, WASP-12b, and WASP-3b) at secondary eclipses made with the Palomar 200-in and the MDM 2.4m telescopes. Our new guiding software for the WIRC instrument at Palomar 200-in has improved the telescope's guiding precision by a factor of 5, allowing us to reach much higher photometric precision and thus higher signal-to-noise detections. Our results support the conclusions of previous detections and demonstrate these two telescopes' capability of characterizing hot Jupiters' atmospheres in the near-IR.
Barman Travis
Hinkley Sasha
Milburn Jennifer
Monnier John
Swain Mark
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