Variable emission lines as evidence of spiral shocks in accretion disks around active galactic nuclei

Details Variable emission lines as evidence of spiral shocks in accretion disks around active galactic nuclei Variable emission lines as evidence of spiral shocks in accretion disks around active galactic nuclei

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...434..518c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 434, no. 2, p. 518-522

Astronomy and Astrophysics

Astronomy

55

Accretion Disks, Active Galactic Nuclei, Astronomical Models, Black Holes (Astronomy), Emission Spectra, Line Shape, Shock Waves, Variability, Coordinate Transformations, H Alpha Line, Relativity

Scientific paper

We show that the observed variability of the double-peaked broad emission lines seen in some active galactic nuclei can be due to the existence of two-armed spiral shocks in accretion disks around central black holes. We successfully fit the observations of Arp 102B and 3C 390.3 made at different times with self-similar spiral shock models which incorporate relativistic corrections. Our model allows predictions of how the double-peaked lines are likely to vary, so that it may be tested against future observations.

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