Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.1104c&link_type=abstract
American Astronomical Society, ESS meeting #2, #11.04
Astronomy and Astrophysics
Astronomy
Scientific paper
I will present results from our ongoing program using the Wide-field Infrared Camera (WIRCam) on the Canada-France-Hawaii Telescope (CFHT) to detect thermal emission from hot Jupiters in the near-infrared as well as to search for spectral features in the broadband transmission spectrum of the super-Earth GJ 1214b. On the hot Jupiter front, I will present new detections of their near-infrared thermal emission including reobservations of the secondary eclipse of WASP-12 in the JHK-bands, as well as the first thermal emission measurement in Y-band ( 1.04 microns). On the super-Earth front, I'll present new near-infrared observations of the transit of GJ 1214b from the 2011 observing season to see whether our repeated observations reconfirm a deeper Ks-band transit depth. A deeper Ks-band transit depth would argue for a spectral absorption feature, and that GJ 1214b is likely a hydrogen/helium dominated mini-Neptune with a significant haze layer that obscures transmission spectroscopy observations at shorter wavelengths.
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