Collimation of astrophysical MHD outflows

• Type: Article in International Scientific Journal
• Date: 2003

Authors

Tsinganos, K (Author) Other; Vlahakis, N (Author) Other; Bogovalov, S (Author) Other; Sauty, C (Author) Other; Trussoni, E (Author) Other; Lima, JJG (Author) FCUP

Journal

Title: Astrophysics and Space Science

Vol. 287

Pages: 103-108

ISSN: 0004-640X

Publisher: Springer Nature

Indexing

ISI Web of Knowledge - 3 Citations

Scopus - 3 Citations

Scientific classification

FOS: Natural sciences > Physical sciences

Other information

Authenticus ID: P-000-J6J

DOI: 10.1023/b:astr.0000006208.62633.d0

Abstract (EN): We explain in simple terms why a rotating and magnetized outflow forms a core with a jet and show numerical simulations which substantiate this argument. The outflow from a solar-type inefficient magnetic rotator is found to be very weakly collimated while the outflow from a ten times faster rotating YSO is shown to produce a tightly collimated jet. This gives rise to an evolutionary scenario for stellar outflows. We also propose a two-component model consisting of a wind outflow from a central object and a faster rotating outflow launched from a surrounding accretion disk which plays the role of the flow collimator.

Language: English

Type (Professor's evaluation): Scientific