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AGN and QSOs in the eROSITA All-Sky Survey -- Part I: Statistical properties
Alexander Kolodzig, Marat Gilfanov, Rashid Sunyaev +2
Context. The main element of the observing program of the Spectrum-Roentgen-Gamma orbital observatory is a four-year all-sky survey, in the course of which the entire sky will be s…
Masses and Accretion Rates of Supermassive Black Holes in Active Galactic Nuclei from the INTEGRAL Survey
G. A. Khorunzhev, S. Yu. Sazonov, R. A. Burenin +1
The masses of 68 supermassive black holes (SMBHs) in nearby (z<0.15) active galactic nuclei (AGNs) detected by the INTEGRAL observatory in the hard X-ray energy band (17-60 keV) ou…
X-ray line formation in the spectrum of SS 433
I. I. Khabibullin, S. Yu. Sazonov
The mechanisms for the formation of X-ray lines in the spectrum of SS 433 are investigated by taking into account the radiative transfer inside the jets. The results of Monte Carlo…
SRG/eROSITA prospects for detection of GRB afterglows
I. I. Khabibullin, S. Yu. Sazonov, R. A. Sunyaev
We discuss the potential of the eROSITA telescope on board the \emph{Spectrum-X-Gamma} observatory to detect gamma-ray burst (GRB) X-ray afterglows during its 4-year all-sky survey…
A fast and accurate method for computing the Sunyaev-Zeldovich signal of hot galaxy clusters
Jens Chluba, Daisuke Nagai, Sergey Sazonov +1
New generation ground and space-based CMB experiments have ushered in discoveries of massive galaxy clusters via the Sunyaev-Zeldovich (SZ) effect, providing a new window for study…
Optical Identification of Four Hard X-ray Sources from the Swift All-Sky Survey
A. Lutovinov, R. Burenin, M. Revnivtsev +3
We present the results of our optical identifications of four hard X-ray sources from the Swift all-sky survey. We obtained optical spectra for each of the program objects with the…