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Expanding hydrodynamical jets crossing a galactic halo/intergalactic medium interfaceParameters within ranges that are plausible for radio sources are presently used to perform two-dimensional hydrodynamical calculations of axisymmetric, initially conical, jets whose initial propagation is through isothermal galactic halos with power-law density distributions; these emerge across a pressure-matched interface into a hotter, but less dense medium whose parameters are typical of an intracluster or intergalactic gas. Upon crossing this interface, the jets accelerate and focused toward cylindrical shapes having long, narrow cocoons.
Document ID
19900037928
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Wiita, Paul J.
(Georgia State Univ. Atlanta, GA, United States)
Rosen, Alexander
(Georgia State University Atlanta, United States)
Norman, Michael L.
(Illinois, University Urbana, United States)
Date Acquired
August 14, 2013
Publication Date
February 20, 1990
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 350
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
90A24983
Funding Number(s)
CONTRACT_GRANT: NSF PHY-82-17853
CONTRACT_GRANT: NSF AST-86-11511
CONTRACT_GRANT: NSF AST-87-17912
Distribution Limits
Public
Copyright
Other

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