Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21532807b&link_type=abstract
American Astronomical Society, AAS Meeting #215, #328.07; Bulletin of the American Astronomical Society, Vol. 42, p.426
Astronomy and Astrophysics
Astronomy
Scientific paper
As originally conceived, the gravitational microlensing planet search method was expected to reveal only planet-star mass ratios and projected separations in units of the Einstein radius. However, the first dozen planet discoveries made with the microlensing method have revealed a great deal more information about the exoplanets and their host stars. Using examples from recent events, I show how the masses and physical separations of the exoplanets can be determined. I also show that in the most favorable cases, microlensing yields a great deal more information about the exoplanets and their host stars than is routinely obtained for exoplanets discovered by the Doppler radial velocity method.
Bennett David P.
MOA Collaboration
PLANET Collaboration
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