Confirmation Of Transiting Super-earth Detections Using Spitzer

Details Confirmation Of Transiting Super-earth Detections Using Spitzer Confirmation Of Transiting Super-earth Detections Using Spitzer

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21532804f&link_type=abstract

American Astronomical Society, AAS Meeting #215, #328.04; Bulletin of the American Astronomical Society, Vol. 42, p.425

Astronomy and Astrophysics

Astronomy

Scientific paper

The extremely interesting detection of transiting Super-Earth planets is now in range of Space surveys (CoRoT & Kepler), but is a very challenging case for confirmation by radial velocity facilities.
The high photometric precision of CoRoT and Kepler allows to explore the range of stellar blend scenarios that might fit the data equally well as a planet model.
Unless the effective temperature of the contaminating star is virtually identical to that of the parent star (within 50 K), the depth of the photometric signal will be wavelength dependent. With its long wavelength bandpasses and high photometric precision, Spitzer is ideal to test this possibility, and potentially confirm the planetary nature of Super-Earth candidates. We present the results of our study of CoRoT-7b, the first such case, in the Spitzer IRAC 4.5 and 8 microns bandpasses.

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