Physics
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20101h&link_type=abstract
Spitzer Proposal ID #20101
Physics
Scientific paper
Recent observations of the secondary eclipse of the `Hot Jupiter' planet HD209458b suggest that the planet may reradiate most and perhaps all of the irradiation it receives from its host star on the side facing the star i.e. that there is little redistribution of energy around the surface of the planet. An immediate implication of this day/night temperature difference is that even non-transitting `Hot Jupiter' planetary systems should show a small flux variation as the planet orbits the star, showing first its hot day side and then its cold night side. We propose to monitor the 24 micron flux variation of the five brightest stars that host Hot Jupiter planets, in order to detect the orbital modulation of the total star+planet flux. The detection of such variations will provide information on the nature and atmospheric dynamics of these planets and may even constrain the inclination of the orbital plane.
Cho James
Deming Drake
Hansen Bradley
Harrington Joe
Menou Kristen
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