The MEarth Observatory and the Search for Transiting Habitable SuperEarths

Details The MEarth Observatory and the Search for Transiting Habitable SuperEarths The MEarth Observatory and the Search for Transiting Habitable SuperEarths

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.0802n&link_type=abstract

American Astronomical Society, DPS meeting #41, #8.02

Astronomy and Astrophysics

Astronomy

Scientific paper

Transiting planets have profoundly impacted our understanding of exoplanets because these systems permit direct measurements of their masses and radii. With the exception of COROT-7b, all known transiting planets are large Neptune- or Jupiter-sized objects. By targeting nearby M-dwarf stars, a transit search using modest equipment is capable of discovering planets as small as 2 Earth radii in the habitable zones of their host stars. The MEarth observatory has been in operation for one year and will ultimately survey 2,000 nearby M-dwarfs. I will describe the survey design and operations, and present some encouraging results about our sensitivity to sub-Neptune transiting planets around M-dwarfs.

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