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LEECH: A 100 Night Exoplanet Imaging Survey at the LBT

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arxiv 1401.0481 v1 pith:ZSD6JUCC submitted 2014-01-02 astro-ph.EP

LEECH: A 100 Night Exoplanet Imaging Survey at the LBT

classification astro-ph.EP
keywords leechexoplanetimagingmicronsnightsurveyarizonaatop
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In February 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its 100-night campaign from the Large Binocular Telescope atop Mount Graham in Arizona. LEECH nearly complements other high-contrast planet imaging efforts by observing stars in L' band (3.8 microns) as opposed to the shorter wavelength near-infrared bands (1-2.3 microns). This part of the spectrum offers deeper mass sensitivity for intermediate age (several hundred Myr-old) systems, since their Jovian-mass planets radiate predominantly in the mid-infrared. In this proceedings, we present the science goals for LEECH and a preliminary contrast curve from some early data.

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