Two-fluid model of superluminal radio sources - Application to cosmology

Details Two-fluid model of superluminal radio sources - Application to cosmology Two-fluid model of superluminal radio sources - Application to cosmology

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...224...24p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 224, no. 1-2, Oct. 1989, p. 24-30. Research supported by CNRS.

Astronomy and Astrophysics

Astronomy

35

Light Speed, Radio Galaxies, Radio Jets (Astronomy), Two Fluid Models, Cosmology, Galactic Nuclei, Magnetic Field Configurations, Relativistic Electron Beams, Very Long Base Interferometry

Scientific paper

A two-fluid model is presented for superluminal sources associated with strong double radio sources with hot spots in extended lobes. The model includes a nonrelativistic jet of e(-)-p plasma which carries most of the mass and kinetic power of the flow at a velocity of about 35 pct of c, a relativistic beam of e(-)-e(+) plasma at a velocity about equal to c, and a magnetic field parallel to the jet and the beam. Observations of two velocities in the VLBI jet of NGC 1275, and the limb brightening of the VLBI jet of M 87 support the two-fluid model. The implications of the model for cosmology are examined.

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