Transiting Exoplanet Results from the NASA EPOXI Mission

Details Transiting Exoplanet Results from the NASA EPOXI Mission Transiting Exoplanet Results from the NASA EPOXI Mission

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340211b&link_type=abstract

American Astronomical Society, AAS Meeting #213, #402.11; Bulletin of the American Astronomical Society, Vol. 41, p.192

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Scientific paper

The EPOCh (Extrasolar Planet Observation and Characterization) component of the NASA EPOXI mission used the HRI camera aboard the Deep Impact spacecraft to observe seven transiting exoplanet systems from January through August 2008. The majority of these targets were each observed nearly continuously for several weeks at a time. We searched these high-precision time series for additional planets in these systems, which could be revealed either directly through their photometry transits, or indirectly through the variations these second planets induce on the times of transit of the previously known planet. In the case of one EPOXI target, the M-dwarf planetary system GJ 436, the presence of a second planet is perhaps indicated by the residual orbital eccentricity of the known hot Neptune companion. We will present current upper limits for the putative planet GJ 436c, and well as results for other targets.

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