Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989plap.work..295p&link_type=abstract
In ESA, Proceedings of an Internatioal School and Workshop on Plasma Astrophysics, Volume 1 p 295-297 (SEE N89-24910 18-75)
Astronomy and Astrophysics
Astronomy
Astronomical Models, Radio Jets (Astronomy), Radio Sources (Astronomy), Relativistic Plasmas, Plasma Acceleration, Relativistic Effects, Thermal Plasmas
Scientific paper
It is argued that extensions are needed for jet models of extragalactic radio sources which consider a single relativistic plasma with relativistic motion from short distances (few pc) to large distances (few 100 kpc) from the nucleus. Besides the interest in developing plasma physics motivated by these objects, there are two reasons for enriching the physics. First, the interpretation of hot spots as resulting from shocks with diffusive acceleration in a thermal classical plasma with a tenuous relativistic component is consistent with data and constrain the parameters. Second, the interpretation of relativistic motions on parsec scales as resulting from a core beam relaxing in a collimated wind is consistent with data and avoid several difficulties.
Asseo Estelle
Pelletier Guy
Roland Jérémie
Sol Hé&Lgrave
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