Physics – Optics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21010201l&link_type=abstract
American Astronomical Society Meeting 210, #102.01; Bulletin of the American Astronomical Society, Vol. 39, p.228
Physics
Optics
Scientific paper
Direct detection is one of the most compelling (and thus far largely unachieved) methods for studying the properties and origin of extrasolar planets. At relatively young ages (< 500 Myr), thermal emission from planets is expected to be significant and perhaps the most amenable avenue for direct imaging and characterization. Searches for young planets are at the intersection of the brown dwarf and exoplanet regimes, since such planets are expected to have similar temperatures to field T and Y dwarfs. We discuss the science goals of direct imaging, progress and challenges to date in this area, and (near-)future prospects with existing ground-based telescopes.
In particular, we highlight the upcoming Gemini NICI Planet-Finding Campaign. NICI (the Near-Infrared Coronagraphic Imager) is the new high contrast adaptive optics imager for the Gemini-South 8.1-meter Telescope, tailored to direct detection of young planets using dual-channel methane-band coronagraphic imaging. Our team has been selected to carry out an extensive multi-year search beginning this year. The NICI Campaign is expected to be the largest and most sensitive imaging survey to date for massive ( 1 Mjup) planets around other stars.
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