Continuum radiation from active galactic nuclei

Details Continuum radiation from active galactic nuclei Continuum radiation from active galactic nuclei

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...350..125c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 350, Feb. 10, 1990, p. 125-131.

Astronomy and Astrophysics

Astrophysics

20

Active Galactic Nuclei, Continuous Radiation, Emission Spectra, Shock Wave Interaction, Astronomical Spectroscopy, Continuous Spectra, Gas Dynamics

Scientific paper

Continuum radiation from shocked gas is calculated for a large range of wave-lengths. The basic dynamical processes are jets and winds which produce shock waves by interaction with gaseous inhomogeneities in active galactic nuclei. Four representative cases of emitting gas clouds are considered, and the continuum emission is calculated for each case. In the radio band, synchrotron emission is due to acceleration of particles through the shock front. High temperatures in the postshock zone produce X-rays by free-free emission which extends to the radio range. In addition, the presence of dust, cooling the gas by grain-gas collisions, affects the whole continuum spectrum and produces a strong infrared emission.

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