Kinematics of the gas in the nuclei of active galaxies and quasars

Details Kinematics of the gas in the nuclei of active galaxies and quasars Kinematics of the gas in the nuclei of active galaxies and quasars

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980azh....57..480g&link_type=abstract

(Astronomicheskii Zhurnal, vol. 57, May-June 1980, p. 480-492.) Soviet Astronomy, vol. 24, May-June 1980, p. 277-284. Translati

Astronomy and Astrophysics

Astronomy

4

Active Galaxies, Galactic Nuclei, Gas Dynamics, Interstellar Gas, Quasars, Astronomical Models, Gas Expansion, Radiation Pressure, Relativistic Electron Beams

Scientific paper

A model for the envelopes of the nuclei of active galaxies and quasars is discussed. It presupposes that (1) clouds of gas are accelerated by relativistic-electron pressure in the region where the continuous spectrum is formed (at distance r = 10 to the 16th to 10 to the 17th cm from the center); and (2) as they travel outward the gas clouds expand because of their own radiation pressure and are retarded by the resistive force of the intercloud gas. Profiles of the Balmer lines are calculated from this model and are compared with observed line profiles.

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