Where are the massive close-in extrasolar planets?

Details Where are the massive close-in extrasolar planets? Where are the massive close-in extrasolar planets?

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dps....33.4005r&link_type=abstract

American Astronomical Society, DPS Meeting #33, #40.05; Bulletin of the American Astronomical Society, Vol. 33, p.1113

Astronomy and Astrophysics

Astronomy

Scientific paper

About 68 extrasolar planets around main sequence stars have been discovered. The minimum masses of these planets are ranging from fractions of a Jupiter mass to 15 Jupiter masses. The semi major axes of the planetary orbits range from 0.04 AU to 4 AU. Due to observational selection effects, only massive planets have been discovered at large semi major axes. However, there seems to be an observational lack of very massive planets (>1 Mj) for semi major axes less than 0.1 AU. The absence of massive planets at these distances is explained by tidal interactions between planets and their central star that lead to a rapid decay of the planet's orbit toward the Roche zone of the star within short time scales.

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