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Structure, composition, and mass-radius relationships of rocky exoplanets

Sohl, F. and Wagner, F.W. and Rauer, H. (2012) Structure, composition, and mass-radius relationships of rocky exoplanets. Planetary Origins and Frontiers of Exploration, 2012-05-27 -- 2012-06-03, Rehovot, Israel.

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Abstract

The growing number of transiting planet discoveries will allow us to characterize rocky exoplanets in terms of internal structure and atmospheric composition with important implications for their formation, orbital evolution, and possible habitability. We construct structural models of solid exoplanet interiors by using equations of state for the radial density distribution, which are compliant with the thermodynamics of the high-pressure limit. To some extent, those structural models suffer from inherent degeneracy or non-uniqueness problems because of a principal lack of knowledge of light and heavy constituents, their degree of internal separation, and/or the possible presence of an optically thick atmosphere. We thereby will address the robustness of mass-radius relationships and their usage for the classification of low-mass exoplanets and their characterization in terms of interior structure and bulk composition.

Document Type:Conference or Workshop Item (Speech)
Title:Structure, composition, and mass-radius relationships of rocky exoplanets
Authors:
AuthorsInstitution or Email of Authors
Sohl, F.frank.sohl@dlr.de
Wagner, F.W.frank.wagner@dlr.de
Rauer, H.heike.rauer@dlr.de
Date:June 2012
Status:Published
Keywords:exoplanets, classification, interiors, compositions, mass-radius relationships
Event Title:Planetary Origins and Frontiers of Exploration
Event Location:Rehovot, Israel
Event Type:international Conference
Event Dates:2012-05-27 -- 2012-06-03
Organizer:The Center for Planetary Science, Weizmann Institute of Science
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):W - Vorhaben Exploration des Sonnensystems (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Institute of Planetary Research > Extrasolar Planets and Atmospheres
Deposited By: Frank Sohl
Deposited On:12 Jul 2012 16:12
Last Modified:12 Jul 2012 16:12

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