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- W3104338700 abstract "We present results of our Power Spectral Density (PSD) analysis of 30 AGN using the 58 month light curves from Swift's Burst Alert Telescope (BAT) in the 14-150 keV band. PSDs were fit using a Monte Carlo based algorithm to take into account windowing effects and measurement error. All but one source were found to be fit very well using an unbroken power law with a slope of ~-1, consistent at low frequencies with previous studies in the 2-10 keV band, with no evidence of a break in the PSD. For 5 of the highest S/N sources we tested the energy dependence of the PSD and found no significant difference in the PSD at different energies. Unlike previous studies of X-ray variability in AGN, we do not find any significant correlations between the hard X-ray variability and different properties of the AGN including luminosity and black hole mass. The lack of break frequencies and correlations seem to indicate that AGN are similar to the high state of Galactic Black Holes." @default.
- W3104338700 created "2020-11-23" @default.
- W3104338700 creator A5036816181 @default.
- W3104338700 creator A5066501440 @default.
- W3104338700 date "2013-05-24" @default.
- W3104338700 modified "2023-10-18" @default.
- W3104338700 title "THE FIRST HARD X-RAY POWER SPECTRAL DENSITY FUNCTIONS OF ACTIVE GALACTIC NUCLEUS" @default.
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- W3104338700 doi "https://doi.org/10.1088/0004-637x/770/1/60" @default.
- W3104338700 hasPublicationYear "2013" @default.
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