The 3.6–8.0 μm Broadband Emission Spectrum of HD 209458b: Evidence for an Atmospheric Temperature Inversion

We estimate the strength of the bandpass-integrated thermal emission from the extrasolar planet HD 209458b at 3.6, 4.5, 5.8, and 8.0 mu m using the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. We observe a single secondary eclipse simultaneously in all four bandpasses and find relati...

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Bibliographic Details
Main Authors: Knutson, Heather A., Charbonneau, David, Allen, Lori E., Burrows, Adam, Megeath, S. Thomas
Format: Journal Article
Published: American Astronomical Society 2019
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