23 citations · 152 across the 23 of their papers we have counts for
23 papers
SRG/ART-XC discovery of pulsations from RX J0535.0-6700: another X-ray pulsar in the LMC
I. A. Mereminskiy, A. S. Gorban, Yu. S. Klein +5
Using the Mikhail Pavlinsky ART-XC onboard the SRG observatory we have detected, for the first time, X-ray pulsations with a period of ~106 s from the poorly-studied high-mass X-ra…
SRG/ART-XC Galactic Plane Survey near Galactic Longitude : Catalog of Sources
D. I. Karasev, A. N. Semena, I. A. Mereminskiy +11
We present a catalog of sources detected by the Mikhail Pavlinsky ART-XC telescope onboard the SRG space observatory during the observations of the Galactic plane region near a lon…
X-ray emission from Westerlund 2 detected by SRG/ART-XC and Chandra: search for radiation of TeV leptons
A. M. Bykov, Yu. A. Uvarov, M. E. Kalyashova +5
We present the results of current observations of the young compact cluster of massive stars Westerlund 2 with the Mikhail Pavlinsky ART-XC telescope aboard the Spectrum-Roentgen-G…
Study of the X-ray Pulsar IGR J21343+4738 based on NuSTAR, Swift, and SRG data
A. S. Gorban, S. V. Molkov, A. A. Lutovinov +1
We present the results of our study of the X-ray pulsar IGR J21343+4738 based on NuSTAR, Swift, and SRG observations in the wide energy range 0.3 - 79 keV. The absence of absorptio…
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…
The first X-ray polarimetric observation of the black hole binary LMC X-1
Jakub Podgorny, Lorenzo Marra, Fabio Muleri +108
We report on an X-ray polarimetric observation of the high-mass X-ray binary LMC X-1 in the high/soft state, obtained by the Imaging X-ray Polarimetry Explorer (IXPE) in October 20…
Search for pre-burst emission from binary neutron star mergers with Spectrum-Roentgen-Gamma
I. A. Mereminskiy, A. A. Lutovinov, K. A. Postnov +12
Close binary systems consisting of two neutron stars (BNS) emit gravitational waves, that allow them to merge on timescales shorter than Hubble time. It is widely believed, that NS…
Losing a minute every two years: SRG X-ray view on the rapidly accelerating X-ray pulsar SXP1323
I. A. Mereminskiy, A. A. Mushtukov, A. A. Lutovinov +4
SXP 1323 is a peculiar high-mass X-ray binary located in the Small Magellanic Cloud, renowned for its rapid spin-up. We investigate for the first time broadband X-ray properties of…
Peculiar X-ray transient SRGA J043520.9+552226/AT2019wey discovered with SRG/ART-XC
I. A. Mereminskiy, A. V. Dodin, A. A. Lutovinov +24
Context: During the ongoing all-sky survey, the Mikhail Pavlinsky ART-XC telescope on board the SRG observatory should discover new X-ray sources, many of which can be transient. H…
SRG/ART-XC discovery of SRGA J204318.2+443815: towards the complete population of faint X-ray pulsars
A. A. Lutovinov, S. S. Tsygankov, I. A. Mereminskiy +19
We report a discovery of a new long-period X-ray pulsar SRGA J204318.2+443815/SRGe J204319.0+443820 in the Be binary system. The source was found in the second all-sky survey by th…
A spectroscopic, photometric, polarimetric and radio study of the eclipsing polar UZ Fornacis: the first simultaneous SALT and MeerKAT observations
Zwidofhelangani N. Khangale, Stephen B. Potter, Patrick A. Woudt +17
We present phase-resolved spectroscopy, photometry and circular spectropolarimetry of the eclipsing polar UZ Fornacis. Doppler tomography of the strongest emission lines using the…
Features of the Accretion in the EX Hydrae System: Results of Numerical Simulation
P. B. Isakova, A. G. Zhilkin, D. V. Bisikalo +2
A two dimensional numerical model in the axisymmetric approximation that describes the flow structure in the magnetosphere of the white dwarf in the EX Hya system has been develope…
Observational constraints on the magnetic field of the bright transient Be/X-ray pulsar SXP 4.78
Andrey N. Semena, Alexander A. Lutovinov, Ilya A. Mereminskiy +4
We report results of the spectral and timing analysis of the Be/X-ray pulsar SXP 4.78 using the data obtained during its recent outburst with NuSTAR, Swift, Chandra and NICER obser…
Investigation of the Outburst Activity of the Black Hole Candidate GRS 1739-278
Sergey D. Bykov, Ekaterina V. Filippova, Ilya A. Mereminskiy +2
We have performed a joint spectral and timing analysis of the outburst of GRS 1739-278 in 2014 based on Swift and INTEGRAL data. We show that during this outburst the system exhibi…
Studying temporal variability of GRS1739-278 during the 2014 outburst
Ilya A. Mereminskiy, Andrey N. Semena, Sergey D. Bykov +3
We report a discovery of low-frequency quasi periodic oscillation at 0.3-0.7 Hz in the power spectra of the accreting black hole GRS1739-278 in the hard-intermediate state during i…
Low-Frequency Quasi-Periodic Oscillations in the X-ray Nova MAXI J1535-571 at the Initial Stage of Its 2017 Outburst
I. A. Mereminskiy, S. A. Grebenev, A. V. Prosvetov +1
We report the discovery of low-frequency quasi-periodic oscillations (QPOs) in the power spectrum of the X-ray nova MAXI J1535-571 at the initial stage of its outburst in September…
Modeling of High-Frequency Variability in X-ray Binaries with Black Holes
A. N. Semena, M. G. Revnivtsev, T. I. Larchenkova +1
The properties of the aperiodic variability in X-ray binaries with black holes are considered. The power spectra of the luminosity variability for a flat accretion disk that is an…
Sample of Cataclysmic Variables from 400d X-ray Survey
R. A. Burenin, M. G. Revnivtsev, A. Yu. Tkachenko +6
We present a sample of cataclysmic variables (CVs) identified among the X-ray sources from the 400 square degree X-ray survey based on ROSAT pointing data (400d). The procedure of…
Sample of Cataclysmic Variables from 400d X-ray Survey
R. Burenin, M. Revnivtsev, A. Tkachenko +6
We present a sample of eight cataclysmic variables (CVs) identified among the X-ray sources of the 400 square degree (400d) X-ray ROSAT/PSPC survey. Based on this sample, we have o…
Additional spectroscopic redshift measurements for galaxy clusters from the First Planck Catalogue
V. S. Vorobyev, R. A. Burenin, I. F. Bikmaev +10
We present the results of spectroscopic redshift measurements for the galaxy clusters from the first all-sky Planck catalogue of the Sunyaev-Zeldovich sources, that have been mostl…
Peculiarities of the Accretion Flow in the System HL CMa
Andrey Semena, Mikhail Revnivtsev, David Buckley +2
The properties of the aperiodic brightness variability for the dwarf nova HL CMa are considered. The variability of the system HL CMa is shown to be suppressed at frequencies above…
On the area of accretion curtains from fast aperiodic time variability of the intermediate polar EX Hya
Andrey N. Semena, Mikhail G. Revnivtsev, David A. H. Buckley +6
We present results of a study of the fast timing variability of the magnetic cataclysmic variable (mCV) EX Hya. It was previously shown that one may expect the rapid flux variabili…
Estimation of Plasma Parameters in an Accretion Column near the Surface of Accreting White Dwarfs from Their Flux Variability
Andrey Semena, Mikhail Revnivtsev
We consider the behavior of matter in the accretion column that emerges under accretion in binary systems near the surface of a white dwarf. The plasma heated in a standing shock w…