Beam models for radio sources. V - Collimation in more realistic galactic potentials

Details Beam models for radio sources. V - Collimation in more realistic galactic potentials Beam models for radio sources. V - Collimation in more realistic galactic potentials

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...300..605w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 300, Jan. 15, 1986, p. 605-612.

Statistics

Computation

9

Collimation, Extragalactic Radio Sources, Radio Jets (Astronomy), Angular Momentum, Computational Astrophysics, Interstellar Gas, Relativistic Plasmas

Scientific paper

The evolution of relativistic fluid jets is examined using an extension of previously developed boundary-following code. A constant source of relativistic plasma is injected into an isothermal cloud whose distribution is determined by the gravitational potential of the galaxy. The confining gas isobars, previously modeled as modified Gaussians, are here modeled as modified power laws to better conform with recent X-ray observations. The dependence of the results on the physical parameters of the confining clouds and the power of the central source is quite complicated, but, in general, more powerful sources yield jets directly, while weaker ones yield bubbles. Steeper power laws favor better collimation, as do faster rotation and smaller gas core radii. Only rather unrealistic potentials and angular momentum distributions are capable of producing the very narrow jets often observed; this implies that nonhydrodynamical, probably magnetic, effects are necessary to collimate most jets on the about 0.1-1 kpc scales.

Affiliated with

Also associated with

No associations

Rating

Beam models for radio sources. V - Collimation in more realistic galactic potentials does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Beam models for radio sources. V - Collimation in more realistic galactic potentials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Beam models for radio sources. V - Collimation in more realistic galactic potentials will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1844560