Physics
Scientific paper
Jun 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007lyot.confe..44n&link_type=abstract
Proceedings of the conference In the Spirit of Bernard Lyot: The Direct Detection of Planets and Circumstellar Disks in the 21s
Physics
Scientific paper
We consider the implications of a null result from the direct imaging surveys for self-luminous extrasolar planets conducted at the VLT and MMT, achieving high contrasts at small separations to 65 young, nearby target stars. Analysis of these data suggest a dearth of planets more than three times the mass of Jupiter beyond 15 AU, with fewer than 20% of stars expected to have such a planet. We also consider the effects of spectral type on these results, and the implications for conducting future planet surveys biased toward target stars of later spectral types. Finally, we consider a number of distributions of extrasolar planet orbital parameters, and determine which are consistent both with planets discovered by the radial velocity method, and the null results of our surveys, and which can be ruled out with high confidence.
Biller Beth A.
Close E. L.
Masaciadri E.
Nielsen Edward
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