Re-evaluating hot Jupiter WASP-12b: An update

The hot Jupiter WASP-12b Is one of the largest, hottest, and best-studied extrasolar planets. We revisit our recent analysis of WASP-12b's emission spectrum in light of near-infrared spectroscopic measurements which have been claimed to support either a hydride-dominated or carbon-rich atmosphe...

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Bibliographic Details
Published in:EPJ Web of conferences 2013-01, Vol.47, p.13005-np
Main Authors: Crossfield, Ian J.M., Barman, Travis, Hansen, Brad M.S., Tanaka, Ichi, Kodama, Tadayuki
Format: Article
Language:English
Subjects:
Atmospheric composition
Blackbody
Emission analysis
Extrasolar planets
Gas giant planets
Occultation
Photosphere
Spectroscopy
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Summary:The hot Jupiter WASP-12b Is one of the largest, hottest, and best-studied extrasolar planets. We revisit our recent analysis of WASP-12b's emission spectrum in light of near-infrared spectroscopic measurements which have been claimed to support either a hydride-dominated or carbon-rich atmospheric composition. We show that this new spectrum is still consistent with a featureless blackbody, indicating a nearly isothermal photosphere on the planet's day side. Thus the ensemble of occultation measurements for WASP-12b is still insufficient to constrain the planet's atmospheric composition.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/20134713005