Constraints on bent beams in narrow angle tail radio sources

Details Constraints on bent beams in narrow angle tail radio sources Constraints on bent beams in narrow angle tail radio sources

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...295...80o&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 295, Aug. 1, 1985, p. 80-88.

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Computation

60

Cosmic Plasma, Extragalactic Radio Sources, Galactic Radio Waves, Galactic Structure, Radio Sources (Astronomy), Astronomical Models, Computational Astrophysics, Flow Velocity, Luminosity, Mach Number, Magnetohydrodynamic Flow, Plasma Jets, Supersonic Flow

Scientific paper

The physics of bent radio luminous plasma beams is discussed and constraints on the momentum and energy flux are examined. Expressions for the bulk velocity, particle density, Mach number, and efficiency of conversion of bulk kinetic and internal energy into radio luminosity are given. VLA data on the intensity ratios of opposing jets in a sample of narrow angle tail (NAT) sources are used to set an upper limit of 0.2c to the bulk velocity of the beams/plasmons. Within the context of models for NATs, order-of-magnitude constrains are placed on the bulk velocities, particle densities, efficiencies, and mass loss rates of the beams/plasmons in 19 NATs.

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