Fragmentation in a rotating protostar - A re-examination of comparison calculations

Details Fragmentation in a rotating protostar - A re-examination of comparison calculations Fragmentation in a rotating protostar - A re-examination of comparison calculations

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.197..477b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 197, Nov. 1981, p. 477-485.

Statistics

Computation

34

Binary Stars, Computational Fluid Dynamics, Computerized Simulation, Gravitational Collapse, Protostars, Stellar Evolution, Stellar Rotation, Cosmic Gases, Fragmentation, Isothermal Processes, Spatial Resolution

Scientific paper

The self-gravitating collapse of a rotating, isothermal protostellar cloud has been recalculated with two independent fluid-dynamic computer codes, in three space dimensions, with improved spatial resolution compared to previous calculations. The results again predict fragmentation and formation of a binary protostellar system with properties similar to those obtained in the lower-resolution calculations. The results, however, are in disagreement with those obtained with a particle-dynamic code by Gingold and Monaghan (1981) for the collapse of a cloud from the same initial conditions. Possible explanations for the divergent results are discussed.

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