271 citations · 4.6k across the 192 of their papers we have counts for
Showing 2008 · astro-phShow all
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astro-ph2008★ 6 cited
Low angular momentum flow model of Sgr A* activity
B. Czerny, M. Moscibrodzka
Sgr A* is the closest massive black hole and can be observed with the highest angular resolution. Nevertheless, our current understanding of the accretion process in this source is…
astro-ph2008★ 35 cited
Hot-spot model for accretion disc variability as random process
T. Pechacek, V. Karas, B. Czerny
Theory of random processes provides an attractive mathematical tool to describe the fluctuating signal from accreting sources, such as active galactic nuclei and Galactic black hol…
astro-ph2008★ 33 cited
The nature of the intranight variability of radio-quiet quasars
B. Czerny, A. Siemiginowska, A. Janiuk +1
We select a sample of 10 radio-quiet quasars with confirmed intranight optical variability and with available X-ray data. We compare the variability properties and the broad band s…