126 citations · 228 across the 2 of their papers we have counts for
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astro-ph2008★ 126 cited
Correlated X-ray/Optical Variability in the Quasar MR2251-178
P. Arévalo, P. Uttley, S. Kaspi +3
Emission from Active Galactic Nuclei is known to vary strongly over time over a wide energy band, but the origin of the variability and especially of the inter-band correlations is…
astro-ph2007★ 102 cited
The variability plane of accreting compact objects
E. G. Koerding, S. Migliari, R. Fender +3
Recently, it has been shown that soft-state black hole X-ray binaries and active galactic nuclei populate a plane in the space defined by the black hole mass, accretion rate and ch…