Thermal tides on a hot Jupiter
1 Institute of Astronomy and Astrophysics, Academia Sinica, Taipei 10617, Taiwan
2 Institute of Astrophysics, National Taiwan University, Taipei 10617, Taiwan
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Following the linear analysis laid out by Gu & Ogilvie 2009 (hereafter GO09), we investigate the dynamical response of a non-synchronized hot Jupiter to stellar irradiation. Besides the internal and Rossby waves considered by GO09, we study the Kelvin waves excited by the diurnal Fourier harmonic of the prograde stellar irradiation. We also present a 2-dimensional plot of internal waves excited by the semi-diurnal component of the stellar irradiation and postulate that thermal bulges may arise in a hot Jupiter. Whether our postulation is valid and is consistent with the recent results from Arras & Socrates (2009b) requires further investigation.
© Owned by the authors, published by EDP Sciences, 2011