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Variability in Active Galactic Nuclei

Published online by Cambridge University Press:  20 April 2012

Erin Wells Bonning*
Affiliation:
Yale Center for Astronomy & Astrophysics, New Haven, CT 06520, USA email: [email protected]
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Abstract

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This talk explored variability in active galactic nuclei (AGN) for a variety of scales across the time domain. From billion-year-scale intermittency to a quasi-periodic oscillation signal with a period of one hour, time-varying signals offer insights into a myriad of complex processes driven by the AGN central engine. Athough the era of time-domain observations of AGN across the spectrum has but just begun, already observations reveal the rich detail of phenomena associated with actively accreting black holes which challenge theoretical models.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2012