8 citations · 33 across the 12 of their papers we have counts for
12 papers
X-ray and Gamma-ray Emission from a High-Temperature Plasma and the Spectra of Accreting Black Holes
S. A. Grebenev
We present our numerical computations of broadband radiation spectra forming in a layer of high-temperature (kTe ~ 50 keV) semitransparent (with a Thomson optical depth ~1-3) plasm…
Search for Astrophysical Transients on Limiting Time Scales and Their Classification Based on INTEGRAL Data
G. Yu. Mozgunov, A. S. Pozanenko, P. Yu. Minaev +7
We have searched for ultra-long (> 100 s) gamma-ray transients in the data from the anticoincidence shield (ACS) of the SPI gamma-ray spectrometer onboard the INTEGRAL orbital obse…
From precursor to afterglow: The complex evolution of GRB 210312B
M. Jelínek, S. A. Grebenev, P. Yu. Minaev +15
Long gamma-ray bursts (GRBs) are characterized by a brief gamma-ray flash followed by a longer-lasting multiwavelength afterglow. The basic mechanism is largely understood, and the…
Increase in the Brightness of the Cosmic Radio Background toward Galaxy Clusters
S. A. Grebenev, R. A. Sunyaev
We explore the possibility of detecting the excess of the cosmic radio background (CRB) toward galaxy clusters due to its Compton scattering by electrons of the hot intergalactic g…
GRB 231115A -- a magnetar giant flare in the M82 galaxy
P. Yu. Minaev, A. S. Pozanenko, S. A. Grebenev +5
The results of a study of the short gamma-ray burst GRB 231115A in the X-ray and gamma-ray ranges are presented, based on data from the INTEGRAL and Fermi space observatories. The…
All-sky limits on Sterile Neutrino Galactic Dark Matter obtained with SRG/ART-XC after two years of operations
E. I. Zakharov, V. V. Barinov, R. A. Burenin +12
Dark matter sterile neutrinos radiatively decay in the Milky Way, which can be tested with searches for almost monochromatic photons in the X-ray cosmic spectrum. We analyse the da…