Galaxies: Individual: NGC Number: NGC 7469Galaxies: NucleiX-Rays: GalaxiesWe report the discovery of time lags in the cross-spectra of the X-ray light curves of the Seyfert galaxy NGC 7469. This behavior is common in Galactic black hole and neutron star binaries, and is in the sense that...
galaxies : individual (NGC 7469)-galaxies : Seyfertultraviolet : galaxiesx-rays : galaxiesWe model the correlated X-ray - UV observations of NGC 7469, for which wellsampled data in both these bands have been obtained recently in amultiwavelength monitoring campaign. To this end we derive the ...
B. Vavilova, "Optical and X Ray Variability of Seyfert Galaxies NGC 5548, NGC 7469, NGC 3227, NGC 4051, NGC 4151, Mrk 509, Mrk 79, and Akn 564 and Quasar 1E 0754," Kine matics Phys. Celestial Bodies 25, 107 (2009).Chesnok NG, Sergeev SG, Vavilova IB. Optical and X-ray ...
black holesbolometersenergy dependencegalactic evolutiongalaxiesluminositymonte carlo methodspectral density calculation methodsevolutionWe present the broadband X-ray power spectral density function (PSD) of the X-ray-luminous Seyfert 1.2 NGC 7469, measured from Rossi X-ray Timing Explorer monitoring data ...