Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...328l..19s&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 328, May 1, 1988, p. L19-L23. NSF-NASA-supported research.
Astronomy and Astrophysics
Astrophysics
191
Accretion Disks, Magnetic Stars, Molecular Clouds, Protostars, Stellar Mass Ejection, Stellar Rotation, Angular Momentum, Magnetohydrodynamic Flow, Stellar Winds
Scientific paper
The authors propose that bipolar outflows from young stellar objects originate from a protostar rotating at breakup at its equator because it is being spun up by an adjoining accretion disk. Mass outflow at an appreciable fraction of the infall rate from a surrounding molecular cloud core onto the star and disk can be driven centrifugally if the protostar has a sufficiently strong magnetic field. The expansion of the flow toward the rotational poles may provide a collimation mechanism for focusing an ordinary stellar wind into optical jets.
Lizano Susana
Najita Joan
Ruden Steven P.
Shu Frank H.
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