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3.6 and 4.5 Micron Phase Curves and Evidence for Non-Equilibrium Chemistry in the Atmosphere of Extrasolar Planet HD 189733b
Heather A. Knutson, Nikole Lewis, Jonathan J. Fortney +11
We present new, full-orbit observations of the infrared phase variations of the canonical hot Jupiter HD 189733b obtained in the 3.6 and 4.5 micron bands using the Spitzer Space Te…
Infrared Eclipses of the Strongly Irradiated Planet WASP-33b, and Oscillations of its Host Star
Drake Deming, Jonathan D. Fraine, Pedro V. Sada +7
We observe two secondary eclipses of the strongly irradiated transiting planet WASP-33b in the Ks band, and one secondary eclipse each at 3.6- and 4.5 microns using Warm Spitzer. T…
Detection of Thermal Emission from a Super-Earth
Brice-Olivier Demory, Michael Gillon, Sara Seager +3
We report on the detection of infrared light from the super-Earth 55 Cnc e, based on four occultations obtained with Warm Spitzer at 4.5 microns. Our data analysis consists of a tw…
Extrasolar Planet Transits Observed at Kitt Peak National Observatory
Pedro V. Sada, Drake Deming, Donald E. Jennings +8
We obtained J-, H- and JH-band photometry of known extrasolar planet transiting systems at the 2.1-m Kitt Peak National Observatory Telescope using the FLAMINGOS infrared camera be…
Spitzer/MIPS 24 micron Observations of HD 209458b: 3 eclipses, 2.5 transits, and a Phase Curve Corrupted by Instrumental Sensitivity Variations
Ian J. M. Crossfield, Heather Knutson, Jonathan Fortney +3
We report the results of an analysis of all Spitzer/MIPS 24 micron observations of HD 209458b, one of the touchstone objects in the study of irradiated giant planet atmospheres. Al…
Thermal Phase Variations of WASP-12b: Defying Predictions
N. B. Cowan, P. Machalek, B. Croll +5
[Abridged] We report Warm Spitzer full-orbit phase observations of WASP-12b at 3.6 and 4.5 micron. We are able to measure the transit depths, eclipse depths, thermal and ellipsoida…