Theory of planet formation and comparison with observation

The planetary mass-radius diagram is an observational result of central importance to understand planet formation. We present an updated version of our planet formation model based on the core accretion paradigm which allows us to calculate planetary radii and luminosities during the entire formatio...

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Main Authors: Klahr H., Alibert Y., Mordasini C., Benz W.
Format: Article
Language:English
Published: EDP Sciences 2011-02-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20101104001
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author Klahr H.
Alibert Y.
Mordasini C.
Benz W.
author_facet Klahr H.
Alibert Y.
Mordasini C.
Benz W.
author_sort Klahr H.
collection DOAJ
description The planetary mass-radius diagram is an observational result of central importance to understand planet formation. We present an updated version of our planet formation model based on the core accretion paradigm which allows us to calculate planetary radii and luminosities during the entire formation and evolution of the planets. We first study with it the formation of Jupiter, and compare with previous works. Then we conduct planetary population synthesis calculations to obtain a synthetic mass-radius diagram which we compare with the observed one. Except for bloated Hot Jupiters which can be explained only with additional mechanisms related to their proximity to the star, we find a good agreement of the general shape of the observed and the synthetic M − R diagram. This shape can be understood with basic concepts of the core accretion model.
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spelling doaj.art-774298b5ccd44b65a1598f27296785f12022-12-22T04:07:24ZengEDP SciencesEPJ Web of Conferences2100-014X2011-02-01110400110.1051/epjconf/20101104001Theory of planet formation and comparison with observationKlahr H.Alibert Y.Mordasini C.Benz W.The planetary mass-radius diagram is an observational result of central importance to understand planet formation. We present an updated version of our planet formation model based on the core accretion paradigm which allows us to calculate planetary radii and luminosities during the entire formation and evolution of the planets. We first study with it the formation of Jupiter, and compare with previous works. Then we conduct planetary population synthesis calculations to obtain a synthetic mass-radius diagram which we compare with the observed one. Except for bloated Hot Jupiters which can be explained only with additional mechanisms related to their proximity to the star, we find a good agreement of the general shape of the observed and the synthetic M − R diagram. This shape can be understood with basic concepts of the core accretion model.http://dx.doi.org/10.1051/epjconf/20101104001
spellingShingle Klahr H.
Alibert Y.
Mordasini C.
Benz W.
Theory of planet formation and comparison with observation
EPJ Web of Conferences
title Theory of planet formation and comparison with observation
title_full Theory of planet formation and comparison with observation
title_fullStr Theory of planet formation and comparison with observation
title_full_unstemmed Theory of planet formation and comparison with observation
title_short Theory of planet formation and comparison with observation
title_sort theory of planet formation and comparison with observation
url http://dx.doi.org/10.1051/epjconf/20101104001
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AT mordasinic theoryofplanetformationandcomparisonwithobservation
AT benzw theoryofplanetformationandcomparisonwithobservation