Interior structure models of terrestrial exoplanets and application to CoRoT-7b
Wagner, F.W. and Sohl, F. and Rauer, H. and Hussmann, H. and Grott, M. (2010) Interior structure models of terrestrial exoplanets and application to CoRoT-7b. In: Highlights of Astronomy Proceedings of the International Astronomical Union, 15. Cambridge University Press. pp. 708-709.
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In this study, we model the internal structure of CoRoT-7b as a type example for a terrestrial extrasolar planet using mass and energy balance constraints. Our results suggest that the deep interior is predominantly composed of dry silicate rock, similar to the Earth’s Moon. A central iron core, if present, would be relatively small and less massive (< 15 wt.% of the planet’s total mass) as compared to the Earth’s (core mass fraction 32.6 wt.%). Furthermore, a partly molten near-surface magma ocean could be maintained, provided surface temperatures were sufficiently high and the rock component was mainly composed of Earth-like mineral phase assemblages.
|Document Type:||Contribution to a Collection|
|Title:||Interior structure models of terrestrial exoplanets and application to CoRoT-7b|
|Journal or Publication Title:||Highlights of Astronomy|
|In ISI Web of Science:||No|
|Page Range:||pp. 708-709|
|Publisher:||Cambridge University Press|
|Series Name:||Proceedings of the International Astronomical Union|
|Keywords:||CoRot-7b, extrasolar planets, interiors, equation of state, bulk composition, melting|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EW - Erforschung des Weltraums|
|DLR - Research area:||Space|
|DLR - Program:||W EW - Erforschung des Weltraums|
|DLR - Research theme (Project):||W - Vorhaben Vergleichende Planetologie (old), W - Vorhaben Extrasolare Planeten (old)|
|Institutes and Institutions:||Institute of Planetary Research > Planetary Physics|
Institute of Planetary Research > Extrasolar Planets and Atmospheres
|Deposited By:||Frank Sohl|
|Deposited On:||02 Nov 2010 10:39|
|Last Modified:||02 Nov 2010 10:39|
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