2024
DOI: 10.3847/1538-4357/ad7b2a
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How Long Will the Quasar UV/Optical Flickering Be Damped? II. The Observational Test

Guowei Ren,
Shuying Zhou,
Mouyuan Sun
et al.

Abstract: The characteristic timescale at which the variability of active galactic nuclei (AGNs) turns from red noise to white noise can probe the accretion physics around supermassive black holes (SMBHs). A number of works have studied the characteristic timescale of quasars and obtained quite different scaling relations between the timescale and quasar physical properties. One possible reason for the discrepancies is that the characteristic timescale can be easily underestimated if the light curves are not long enough… Show more

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