Computer Science
Scientific paper
Jul 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hst..prop12230s&link_type=abstract
HST Proposal ID #12230. Cycle 18
Computer Science
Scientific paper
We propose to determine the effects of radiation forcing by the stellar primary on the atmosphere of the hot-Jupiter exoplanet WASP-12b using WFC3 near-IR spectroscopy. We will accomplish this by obtaining a completely unique data set consisting of the emission spectra sequence from the dayside, terminator, and nightside regions of the exoplanetÕs atmosphere. In addition we will obtain the terminator region transmission spectrum; the combination of emission and transmission spectra will be used to help resolve the temperature/composition ambiguity present in interpreting emission spectra. The wavelength range we have selected, 1.1 to 1.7 microns, includes features from H2O, CH4, and CO2 Ð all of which have been detected in this wavelength range in the hot-Jupiter XO-1b with Hubble. The molecules H2O, CH4, and CO2 have been detected in three hot-Jupiter exoplanets to date; we expect to use these molecules as probes of the temperature and composition of the atmosphere of WASP-12b in the dayside, terminator, and nightside regions and thus determine the role of powerful radiation forcing on this exoplanet.;
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