Starburst-black hole QSO model. II - Broad absorption lines

Details Starburst-black hole QSO model. II - Broad absorption lines Starburst-black hole QSO model. II - Broad absorption lines

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..553p&link_type=abstract

In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc

Astronomy and Astrophysics

Astronomy

9

Black Holes (Astronomy), Quasars, Red Shift, Spectral Line Width, Star Clusters, Supernova Remnants, Absorption Spectra, Gas Temperature, Interstellar Matter, Taylor Instability

Scientific paper

It is argued that broad absorption lines are produced in the small (about 0.1) fraction of SN ejecta which is shock-heated to only low temperatures when the SN blast wave and the shock moving back into the ejecta move at low velocities relative to each other. Suppression of redshifted absorption lines arises because SN debris moving toward the central source is slowed down much more rapidly by the wind than is material moving away. Absorption through velocity variations should occur over time scales of decades; however, line structure and line strength variations can occur over much shorter time scales as absorption occurs in fragments produced by the Rayleigh-Taylor instability of the cool ejecta-hot shocked ISM interface.

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