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2000MNRAS.316..803W - Mon. Not. R. Astron. Soc., 316, 803-818 (2000/August-3)
Continuum-driven shocks in active galactic nuclei.
WILLIAMS R.J.R.
Abstract (from CDS):
We study the further development of the shocks by numerical hydrodynamic simulations. The flow tends to break up into numerous discrete bow-shaped components. The speed of these components through the upstream material is almost constant. As a result, the maximal velocity of radiatively driven shocks through the upstream gas may be determined by instabilities rather than by other physical effects. Interactions between gas in the wings of neighbouring bowshocks can, however, form subsequent generations of bowshocks that are faster and more acute than their predecessors.
One likely location where continuum-driven shocks may occur is in the broad-line regions of active nuclei. We discuss the application of our results to such flows.
Abstract Copyright: 2000, Royal Astronomical Society
Journal keyword(s): hydrodynamics - instabilities - shock waves - ISM: jets and outflows - galaxies: active - galaxies: nuclei
Simbad objects: 2
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