Constraints on the Orbits of Planets Detected by Gravitational Microlensing

Details Constraints on the Orbits of Planets Detected by Gravitational Microlensing Constraints on the Orbits of Planets Detected by Gravitational Microlensing

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.0901b&link_type=abstract

American Astronomical Society Meeting 210, #09.01; Bulletin of the American Astronomical Society, Vol. 39, p.105

Astronomy and Astrophysics

Astronomy

Scientific paper

For a class of planetary microlensing events that are being discovered by current surveys, we show that it is possible to constrain planetary orbital parameters in addition to determining the masses of the star and planet(s). This is possible for high magnification microlensing events in which a planet is detected at a separation close to the Einstein radius. Such events also offer enhanced capabilities for detection of multiple planets and the microlensing parallax effect, which allows the masses of the host star and its planets to be determined directly from the microlensing light curve.

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