Discovery and Study of Nearby Planetary and Binary Systems Via Lensing

Details Discovery and Study of Nearby Planetary and Binary Systems Via Lensing Discovery and Study of Nearby Planetary and Binary Systems Via Lensing

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21115005d&link_type=abstract

American Astronomical Society, AAS Meeting #211, #150.05; Bulletin of the American Astronomical Society, Vol. 39, p.1002

Astronomy and Astrophysics

Astronomy

Scientific paper

We explore how we can discover and study nearby (< 1-2 kpc) planetary and binary systems by observing their action as gravitational lenses. Lensing can extend the realm of nearby binaries and planets that can be systematically studied to include dark and dim binaries, and face-on systems. As with more traditional studies, which use light from the system, orbital parameters (including the total mass, mass ratio, and orbital separation) can be extracted from lensing data. Also in common with these traditional methods, individual systems can be targeted for study. We discuss (1) the specific observing strategies needed to optimize the discovery and study of nearby planetary and binary systems by observing their actions as lenses;(2) the detection, via lensing, of planets in the habitable zone; and (3) methods to extract orbital parameters from lensing data.

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