What can we learn about extragalactic jets from galactic jets?

Details What can we learn about extragalactic jets from galactic jets? What can we learn about extragalactic jets from galactic jets?

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002newar..46..411w&link_type=abstract

New Astronomy Reviews, Volume 46, Issue 2-7, p. 411-415.

Astronomy and Astrophysics

Astronomy

Scientific paper

Jets are powerful features of extragalactic radio sources; yet jets are also seen in young stellar objects and X-ray binaries within our own galaxy. These occupy a very different parameter space from the extragalactic jets, and yet many are similar in appearance and nature to their powerful extragalactic cousins. In many cases far more information is available for the galactic jets, due to, e.g., rapid evolution and knowledge of emission line ratios and Doppler velocities. We review properties of galactic jets and speculate at implications they have for extragalactic ones. Specifically we consider central engine mass, jet opening angle and Mach number, the nature of the emission knots, the symmetry of the ejection process, and the source history.

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