Balancing the Budget: Albedo and Heat Recirculation on Hot Jupiters

Details Balancing the Budget: Albedo and Heat Recirculation on Hot Jupiters Balancing the Budget: Albedo and Heat Recirculation on Hot Jupiters

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21740207c&link_type=abstract

American Astronomical Society, AAS Meeting #217, #402.07; Bulletin of the American Astronomical Society, Vol. 43, 2011

Mathematics

Probability

Scientific paper

The day-side and night-side effective temperatures of a hot Jupiter constrain its Bond albedo and heat recirculation efficiency. We describe a simple but robust way to convert a series of observed brightness temperatures at different wavebands into a single effective temperature. We then define a sample of 24 transiting short period planets that have at least one published infrared eclipse depth, and in some cases infrared phase amplitudes and/or optical constraints. We determine the probability distribution function for this sample in the albedo-recirculation plane, and find it consistent with uniformly low Bond albedos, but with a variety of recirculation efficiencies. We show that the hottest of these planets exhibit uniformly low recirculation efficiencies, and offer a possible explanation for this trend. NBC is supported by a CIERA Fellowship.

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