Toward Direct Detection Of Hot Jupiters Using The Chara Array

Details Toward Direct Detection Of Hot Jupiters Using The Chara Array Toward Direct Detection Of Hot Jupiters Using The Chara Array

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340304m&link_type=abstract

American Astronomical Society, AAS Meeting #213, #403.04; Bulletin of the American Astronomical Society, Vol. 41, p.194

Astronomy and Astrophysics

Astronomy

Scientific paper

Exoplanets are difficult to detect directly because they are relatively faint compared to their host star and generally orbit too close for conventional coronagraphy. We present here results from our attempts to directly detect hot Jupiters around nearby stars using the CHARA Array. CHARA has enough angular resolution to resolve the star-planet separation and can (in principle) collect enough photons to measure the orbit and spectrum of exoplanet. We show that our program is feasible using the robust observable "the Closure Phase" and we discuss the upcoming improvements using the Chara-Michigan Phase Tracker (CHAMP). We acknowledge NASA and NSF for support of this work.

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