The mass-radius relationship from solar-type stars to terrestrial planets: a review - AstrophysicsReport as inadecuate




The mass-radius relationship from solar-type stars to terrestrial planets: a review - Astrophysics - Download this document for free, or read online. Document in PDF available to download.

Abstract: In this review, we summarize our present knowledge of the behaviour of themass-radius relationship from solar-type stars down to terrestrial planets,across the regime of substellar objects, brown dwarfs and giant planets.Particular attention is paid to the identification of the main physicalproperties or mechanisms responsible for this behaviour. Indeed, understandingthe mechanical structure of an object provides valuable information about itsinternal structure, composition and heat content as well as its formationhistory. Although the general description of these properties is reasonablywell mastered, disagreement between theory and observation in certain casespoints to some missing physics in our present modelling of at least some ofthese objects. The mass-radius relationship in the overlaping domain betweengiant planets and low-mass brown dwarfs is shown to represent a powerfuldiagnostic to distinguish between these two different populations and showsonce again that the present IAU distinction between these two populations at agiven mass has no valid foundation.



Author: G. Chabrier, I. Baraffe, J. Leconte ENS-Lyon, J. Gallardo Universidad de Chile T. barman Lowell Obs.

Source: https://arxiv.org/







Related documents