Preliminary Time Series Photometry From EPOCh Observations Of Transiting Planet Hosts HAT-P-4 And TrES-3

Details Preliminary Time Series Photometry From EPOCh Observations Of Transiting Planet Hosts HAT-P-4 And TrES-3 Preliminary Time Series Photometry From EPOCh Observations Of Transiting Planet Hosts HAT-P-4 And TrES-3

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.4404c&link_type=abstract

American Astronomical Society, AAS Meeting #212, #44.04; Bulletin of the American Astronomical Society, Vol. 40, p.243

Astronomy and Astrophysics

Astronomy

Scientific paper

EPOXI (EPOCh + DIXI) is a Discovery Program mission of opportunity using the Deep Impact flyby spacecraft. The Extrasolar Planet Observation and Characterization (EPOCh) phase of this mission will obtain high precision time series photometry on five known transiting planet systems. Each system will be observed continuously for several weeks to obtain substantial phase coverage. The resulting data set will be analyzed for evidence of transit timing variations, planetary rings or moons, and transits caused by additional planets. Here we present preliminary photometry on the first two targets - HAT-P-4 and TrES-3. HAT-P-4 was selected as a target due its low density and high metallicity, which is a challenge to theoretical models of its physical structure. TrES-3 was selected due to its very short (31 hour) period, which makes it a promising target for the detection of light reflected from the closely orbiting planet's surface.

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