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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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23 papers · 2 filters
Outflows in the presence of cosmic rays and waves
B. Ramzan, C. M. Ko, D. O. Chernyshov
Plasma outflow or wind against a gravitational potential under the influence of cosmic rays is studied in the context of hydrodynamics. Cosmic rays interact with the plasma via hyd…
Results of the further analysis of Tien-Shan array data on the energy spectrum of primary cosmic rays at 2x10 - 3x10 eV
E. Gudkova, N. Nesterova
The energy spectrum of primary cosmic rays at energies between at 2x10 - 3x10 eV is presented according to data from the Tien Shan array on the basis of the detection…
Internal Structure of the Jets from Young Stars Simulated at Plasma Focus Facilities
V. S. Beskin, I. Yu. Kalashnikov
The laboratory simulations of jets from young stars that have been carried out for many years at plasma focus facilities allow the internal structure of the active regions emerging…
Formation of the cosmic-ray halo: Galactic spectrum of primary cosmic rays
V. A. Dogiel, A. V. Ivlev, D. O. Chernyshov +1
A self-consistent model of a one-dimensional cosmic-ray (CR) halo around the Galactic disk is formulated with the restriction to a minimum number of free parameters. It is demonstr…
Simulations of the radio polarization of a precessing pulsar PSR J1906+0746
A. K. Galishnikova, A. A. Philippov, V. S. Beskin
The recently constructed theory of radio wave propagation in the pulsar magnetosphere outlines the general aspects of the radio light curve and polarization formation. It allows us…
Physical parameters of active galactic nuclei derived from properties of jet geometry transition region
E. E. Nokhrina, Y. Y. Kovalev, A. B. Pushkarev
We use the observed jet boundary transition from parabolic to conical shape, which was earlier discovered as possibly a common effect in active galactic nuclei, to estimate a black…
Acceleration of high energy protons in AGN relativistic jets
Ya. N. Istomin, A. A. Gunya
In this paper, we investigate the acceleration in relativistic jets of high-energy proton preaccelerated in the magnetosphere of a supermassive black hole. The proton reaches maxim…
Extinct radio pulsars as a source of subrelativistic positrons
Ya. N. Istomin, D. O. Chernyshov, D. N. Sob'yanin
Extinct radio pulsars, in which stationary, self-sustaining generation of a relativistic electron-positron plasma becomes impossible when rotation brakes down, can be sources of a…
Periodic fast radio bursts from forcedly precessing neutron stars, anomalous torque, and internal magnetic field for FRB 180916.J0158+65 and FRB 121102
Denis Nikolaevich Sob'yanin
A recent discovery of the periodic activity of the repeating fast radio burst source FRB 180916.J0158+65 in the Canadian Hydrogen Intensity Mapping Experiment (CHIME) hints at poss…
Strongly lensed SN Refsdal: refining time delays based on the supernova explosion models
Petr Baklanov, Natalia Lyskova, Sergei Blinnikov +1
We explore the properties of supernova (SN) "Refsdal" - the first discovered gravitationally lensed SN with multiple images. A large magnification provided by the galactic-scale le…
Time dependence of the flux of helium nuclei in cosmic rays measured by the PAMELA experiment between July 2006 and December 2009
N. Marcelli, M. Boezio, A. Lenni +53
Precise time-dependent measurements of the Z = 2 component in the cosmic radiation provide crucial information about the propagation of charged particles through the heliosphere. T…
Orthogonal pulsars as a key test for pulsar evolution
E. M. Novoselov, V. S. Beskin, A. K. Galishnikova +2
At present, there is no direct information about the evolution of inclination angle between magnetic and rotational axes in radio pulsars. As to theoretical models of pulsar ev…
Dark matter searches by the planned gamma-ray telescope GAMMA-400
Andrey E. Egorov, Nikolay P. Topchiev, Arkadiy M. Galper +4
Our paper reviews the planned space-based gamma-ray telescope GAMMA-400 and evaluates in details its opportunities in the field of dark matter (DM) indirect searches. We estimated…
Low-frequency observations of giant pulses from ordinary pulsars
A. N. Kazantsev, M. Yu. Basalaeva
We present results of the investigation of the giant radio pulses (GRPs) generation rate from 5 radio pulsars (B0301+19, B0950+08, B1112+50, B1133+16, and B1237+25) and anomalous i…
Gamma-ray flux depressions of the Crab nebula in the high-energy range
M. S. Pshirkov, B. A. Nizamov, A. M. Bykov +1
The giant gamma-ray flares of the Crab nebula discovered by AGILE and Fermi observatories came as a surprise and have challenged the existing models of pulsar wind nebulae. We have…
Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron. III. Blazar S5 0716+71 at microarcsecond resolution
Evgeniya V. Kravchenko, Jose L. Gómez, Yuri Y. Kovalev +10
We present RadioAstron Space VLBI imaging observations of the BL Lac object S5 0716+71 made on January 3-4 2015 at a frequency of 22 GHz (wavelength cm). The observations w…
Investigating the connection between gamma-ray activity and relativistic jet in 3C273 during 2015-2019
Dae-Won Kim, Sascha Trippe, Evgeniya V. Kravchenko
Due to its powerful radiation over the entire electromagnetic spectrum and its radio jet activity, the blazar 3C273 offers the opportunity to study the physics of -ray emission…
A census of the pulsar population observed with the international LOFAR station FR606 at low frequencies (25-80~MHz)
L. Bondonneau, J. -M. Grießmeier, G. Theureau +5
To date, only 69 pulsars have been identified with a detected pulsed radio emission below 100 MHz. A LOFAR-core LBA census and a dedicated campaign with the Nançay LOFAR station in…
Studies of stationary features in jets: BL Lacertae. I. Dynamics and brightness asymmetry on sub-parsec scales
T. G. Arshakian, A. B. Pushkarev, M. L. Lister +1
Context. Monitoring of BL Lacertae at 15 GHz with the Very Long Baseline Array (VLBA) has revealed a quasi-stationary radio feature in the innermost part of the jet, at 0.26 mas fr…
A decade of multi-wavelength observations of the TeV blazar 1ES 1215+303: Extreme shift of the synchrotron peak frequency and long-term optical-gamma-ray flux increase
Janeth Valverde, Deirdre Horan, Denis Bernard +86
Blazars are known for their variability on a wide range of timescales at all wavelengths. Most studies of TeV gamma-ray blazars focus on short timescales, especially during flares.…
A bright, high rotation-measure FRB that skewers the M33 halo
Liam Connor, Joeri van Leeuwen, L. C. Oostrum +37
We report the detection of a bright fast radio burst, FRB\,191108, with Apertif on the Westerbork Synthesis Radio Telescope (WSRT). The interferometer allows us to localise the FRB…
Centrifugal acceleration of protons by a supermassive black hole
Ya. N. Istomin, A. A. Gunya
The centrifugal acceleration is due to the rotating poloidal magnetic field in the magnetosphere creates the electric field which is orthogonal to the magnetic field. Charged parti…
Observational evidence for the origin of high-energy neutrinos in parsec-scale nuclei of radio-bright active galaxies
A. V. Plavin, Y. Y. Kovalev, Y. A. Kovalev +1
Observational information on high-energy astrophysical neutrinos is being continuously collected by the IceCube observatory. However, the sources of neutrinos are still unknown. In…