Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21932601c&link_type=abstract
American Astronomical Society, AAS Meeting #219, #326.01
Astronomy and Astrophysics
Astronomy
Scientific paper
Photometric characterization of transiting extrasolar planets leaves substantial degeneracies in atmospheric composition and structure, but properly calibrated spectroscopy can resolve these uncertainties and provide tighter constraints on atmospheric structure and abundances. Our team is observing transits and eclipses in the near-infrared to obtain spectra of a subset of transiting planets. I will present our tentative detection of the thermal emission spectrum of Hot Jupiter WASP-12b. We seem to confirm the 3,000 K near-infrared brightness temperature but our results are not precise enough to constrain individual molecular features. I will also present results from four transits of the low-mass planet GJ 1214b, which has been claimed to host a cloud-covered or non-H-dominated atmosphere.
Barman Travis
Crossfield Ian J. M.
Hansen Brad
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