General relativistic and pressure effects on the collimation of astrophysical jets

Details General relativistic and pressure effects on the collimation of astrophysical jets General relativistic and pressure effects on the collimation of astrophysical jets

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apl%26c..27...13l&link_type=abstract

Astrophysical Letters and Communications (ISSN 0888-6512), vol. 27, June 1988, p. 13-21. NSERC-supported research.

Astronomy and Astrophysics

Astrophysics

5

Astrophysics, Black Holes (Astronomy), Collimation, Plasma Jets, Radio Jets (Astronomy), Relativistic Effects, Active Galactic Nuclei, Gravitational Effects, Particle Interactions, Very Long Base Interferometry

Scientific paper

This paper discusses the decollimation induced in a jet by the strongly curved spacetime surrounding a Schwarzschild black hole. In the case of a jet consisting of non-interacting particles, the authors' results show decollimation lower than found by Kapoor (1986) by a factor on the order of 2. For fluid jets, in most of the cases considered, pressure effects dominate over gravitational effects, leading to an overall collimation of the flow, except in jets having a sonic point located very close to the black hole.

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