Detection of a Westward Hotspot Offset in the Atmosphere of a Hot Gas Giant CoRoT-2b

19 Jan 2018Lisa DangNicolas B. CowanJoel C. SchwartzEmily RauscherMichael ZhangHeather A. KnutsonMichael LineIan Dobbs-DixonDrake DemingSudarsan SundararajanJonathan J. FortneyMing Zhao

Short-period planets exhibit day-night temperature contrasts of hundreds to thousands of degrees K. They also exhibit eastward hotspot offsets whereby the hottest region on the planet is east of the substellar point; this has been widely interpreted as advection of heat due to eastward winds. We present thermal phase observations of the hot Jupiter CoRoT-2b obtained with the IRAC instrument on the Spitzer Space Telescope... (read more)

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