Details

Autor(en) / Beteiligte

• Bogovalov, S.
• Tsinganos, K.

Titel

Magnetically collimated jets with high mass flux

Ist Teil von

• Monthly notices of the Royal Astronomical Society, 2001-07, Vol.325 (1), p.249-256

Ort / Verlag

Oxford, UK: Blackwell Science Ltd

Erscheinungsjahr

2001

Quelle

Wiley Online Library Journals Frontfile Complete

Beschreibungen/Notizen

• Recent numerical simulations and analytical models of magnetically collimated plasma outflows from a uniformly rotating central gravitating object and/or a Keplerian accretion disc have shown that relatively low mass and magnetic fluxes reside in the produced jet. Observations, however, indicate that in some cases, as in jets of young stellar objects, the collimated outflow carries higher fluxes than these simulations predict. A solution to this problem is proposed here by assuming that jets with high mass flux originate in a central source which produces a non-collimated outflow provided that this source is surrounded by a rapidly rotating accretion disc. The relatively faster rotating disc produces a collimated wind, which then forces all the enclosed outflow from the central source to be collimated too. This conclusion is confirmed by self-consistent numerical solutions of the full set of the magnetohydrodynamic equations.