Abstract
BeppoSAX observed the Seyfert 1.9 galaxy NGC 4258 in 1998 December, when its 2-10 keV luminosity was about 10 41 ergs s -1.Large amplitude (100%) variability is observed in the 3-10 keV band on timescales of a few tens of thousands of seconds, while variability of ~20% is observed on timescales as short as 1 hr. The nuclear component
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CITATION STYLE
APA
Fiore, F., Pellegrini, S., Matt, G., Antonelli, L. A., Comastri, A., della Ceca, R., … Wilkes, B. (2001). The BeppoSAX View of the X‐Ray Active Nucleus of NGC 4258. The Astrophysical Journal, 556(1), 150–157. https://doi.org/10.1086/321530
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