X-ray emission from galactic jets

Details X-ray emission from galactic jets X-ray emission from galactic jets

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ssrv...30..135f&link_type=abstract

(European Space Agency, ESLAB Symposium on X-ray Astronomy, 15th, Amsterdam, Netherlands, June 22-26, 1981.) Space Science Revie

Astronomy and Astrophysics

Astronomy

3

Electron Acceleration, Galactic Radiation, High Energy Electrons, Magnetohydrodynamic Stability, Radio Jets (Astronomy), Relativistic Particles, X Ray Sources, Astronomical Models, Magnetic Fields, Shock Fronts, Synchrotron Radiation

Scientific paper

It is suggested that models for X-ray emission from galactic jets based on shock acceleration of relativistic electrons appear to be very critical because their efficiency is reduced by radiation losses and poor confinement of high-energy particles near the shock front. X-ray jets do not seem to be confined by external pressure; therefore, models involving Kelvin-Helmholtz instabilities may be inadequate even though they remain valid for extended radio beams. Finally, it is suggested that a current-carrying beam could overcome both difficulties. The morphology of this beam is produced by an intrinsic instability generating magnetic islands, and magnetic energy is dissipated into turbulent modes inside the stochastic islands.

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