American Astronomical Society, Astrophysical Journal, 2(720), p. 1073-1089, 2010
DOI: 10.1088/0004-637x/720/2/1073
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We present the first measurement of the planet frequency beyond the "snow line," for the planet-to-star mass-ratio interval –4.5 200) microlensing events during 2005-2008. The sampled host stars have a typical mass M host ~ 0.5 M sun