61 citations · 375 across the 30 of their papers we have counts for
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astro-ph.HE2011★ 7 cited
The flare model for X-ray variability of NGC 4258
T. Trzesniewski, B. Czerny, V. Karas +4
We study the variability mechanism of active galactic nuclei (AGN) within the framework of the flare model. To this end we examine the case of Seyfert/LINER galaxy NGC 4258, which…
astro-ph.HE2009
Mass of black holes: The State of the Art
B. Czerny, M. Nikolajuk
In this small review we present the actual state the knowledge about weighting black holes. Black holes can be found in stellar binary systems in our Galaxy and in other nearby gal…