Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sptz.prop80132k&link_type=abstract
Spitzer Proposal ID #80132
Astronomy and Astrophysics
Astronomy
Scientific paper
Characterization of exoplanets has matured in recent years, particularly through studies of exoplanetary atmospheres of transiting planets at infra-red wavelenegths. A relatively unexplored region of exoplanet parameter space is the thermal detection of long-period eccentric planets during periastron passage. Detection of these signatures reveals important information on the albedo, radiative time constant, and heat redistribution efficiency of giant planetary atmospheres under these extreme conditions. Here we propose to monitor three such exoplanets whose orbital parameters have already been refined to great precision. The results of this study will constrain heat signatures from these planets and be used in building atmospheric models for planets which undergo large changes in flux.
Dragomir Diana
Gelino Dawn
Howard Andrew
Kane Stephen
Knutson Heather
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