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Deuterium burning in massive giant planets and low-mass brown dwarfs formed by core-nucleated accretion

Authors
  • Peter, Bodenheimer
  • Gennaro D'Angelo
  • Jack J, Lissauer
  • Jonathan J, Fortney
  • Didier, Saumon
Type
Published Article
Journal
The Astrophysical Journal
Publisher
American Astronomical Society
Publication Date
Jun 02, 2013
Volume
770
Issue
2
Pages
120–120
Source
SETI Institute
License
Unknown

Abstract

Using detailed numerical simulations, we study the formation of bodies near the deuterium-burning limit according to the core-nucleated giant planet accretion scenario. The objects, with heavy-element cores in the range 5-30 M⊕, are assumed to accrete gas up to final masses of 10-15 Jupiter masses (M Jup). After the formation process, which lasts 1-5 Myr and which ends with a" cold-start," low-entropy configuration, the bodies evolve at constant mass up to an age of several Gyr. Deuterium burning via proton capture is ...

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