Microlensing Constraints on the Frequency of Jupiter Mass Planets

Details Microlensing Constraints on the Frequency of Jupiter Mass Planets Microlensing Constraints on the Frequency of Jupiter Mass Planets

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.2404g&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #24.04; Bulletin of the American Astronomical Society, Vol. 31, p.1408

Astronomy and Astrophysics

Astronomy

Scientific paper

Microlensing is the only technique likely, within the next 5 years, to constrain the frequency of Jupiter-analogs. The PLANET collaboration has monitored nearly 100 microlensing events of which more than 20 have sensitivity to the perturbations that would be caused by a Jovian-mass companion to the primary lens. No clear signatures of such planets have been detected. These null results indicate that Jupiter mass planets with separations of 1.5-3 AU occur in less than 1/3 of systems. A similar limit applies to planets of 3 Jupiter masses for separations of 1-4 AU. These are the best limits for extrasolar planets at these separations by any technique.

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