Hot Science with a "Warm" Telescope: Observations of Extrasolar Planets During the Spitzer Warm Mission

Details Hot Science with a "Warm" Telescope: Observations of Extrasolar Planets During the Spitzer Warm Mission Hot Science with a "Warm" Telescope: Observations of Extrasolar Planets During the Spitzer Warm Mission

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113407g&link_type=abstract

American Astronomical Society, AAS Meeting #211, #134.07; Bulletin of the American Astronomical Society, Vol. 39, p.969

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The Spitzer Space Telescope will exhaust its cryogen supply sometime around March of 2009. However, the observatory is expected to remain operational until early 2014 with undiminished 3.6 and 4.5 micron imaging capabilities over two 5'x5’ fields-of-view. During this "warm” mission, Spitzer will operate with extremely high efficiency and provide up to 35,000 hours of science observing time. This will enable unprecedented opportunities to address key scientific questions requiring large allocations of observing time, while maintaining opportunities for broad community use with more "traditional” time allocations. Spitzer will remain a particularly valuable resource for studies of extrasolar planets, with applications including:
1) transit timing observations and precise radius measurements of Earth-sized planets transiting nearby M-dwarfs,
2) measuring thermal emission and distinguishing between broad band emission and absorption in the atmospheres of transiting hot Jupiters,
3) measuring orbital phase variations of thermal emission for both transiting and non-transiting, close-in planets, and
4) sensitive imaging searches for young planets at large angular separations from their parent stars.

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