Where are the massive close-in extrasolar planets?
Rauer, H. and Pätzold, M. (2001) Where are the massive close-in extrasolar planets? Annual Meeting of the Division of Planetary Science 33, New Orleans, USA, Nov. 16-20, 2001.
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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.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Where are the massive close-in extrasolar planets?|
|Event Title:||Annual Meeting of the Division of Planetary Science 33, New Orleans, USA, Nov. 16-20, 2001|
|Organizer:||American Astronomical Society|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institut für Weltraumsensorik und Planetenerkundung|
|Deposited By:||Susanne Pieth|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 19:27|
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