Other
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...345..959d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 345, Oct. 15, 1989, p. 959-971.
Other
33
Protostars, Star Formation, Stellar Evolution, Stellar Interiors, Stellar Mass Accretion, Stellar Rotation, Angular Momentum, Convection, Deuterium Plasma, Stellar Models, Two Dimensional Models
Scientific paper
The effects of rotation on the internal structure of protostars are examined and the consequences of these effects for evolution are examined using rotating protostar models with various choices of the angular speed of the initial cloud and the mass accretion rate. The temporal order of the onset of convective deuterium burning, attainment of sufficient angular momentum for critical uniform rotation, development of a nearly Keplerian disk through direct infall, and the onset of nonaxisymmetric instability is determined. It is shown that the latter three events always occur in the stated order. Different evolutionary scenarios result depending on when deuterium ignition occurs relative to the other three events.
Cassen Patrick
Durisen Richard H.
Stahler Steven W.
Yang Shelby
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