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Protoplanetary Disk Evolution and Influence of the Host Star

Published online by Cambridge University Press:  06 January 2014

Kévin Baillié  and
Sébastien Charnoz
Kévin Baillié
Affiliation:
Laboratoire AIM, Université Paris Diderot / CEA / CNRS 91191 Gif-sur-Yvette, France email: kevin.baillie@cea.fr
Sébastien Charnoz
Affiliation:
Laboratoire AIM, Université Paris Diderot / CEA / CNRS 91191 Gif-sur-Yvette, France email: kevin.baillie@cea.fr
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Abstract

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Based on a self-consistent coupling between protoplanetary disk thermodynamics, photosphere geometry and dynamics we designed a 1D-hydrodynamical numerical model for the spreading of the disks as a function of the star characteristics. We found that the evolution timescale increases for more massive or for a steeper surface density disk, and decreases for bigger stars or less turbulent disks. We found a strong dependency of the mass accretion rate versus the disk mass and a weaker dependency versus the star mass. Coupled with observed similar conclusions, we derived that the disk mass is scaling as M*1.6.

Keywords

planetary systems: protoplanetary diskshydrodynamicsmethods: numerical
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S299: Exploring the Formation and Evolution of Planetary Systems , June 2013 , pp. 374 - 375
Copyright
Copyright © International Astronomical Union 2013 

References

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