10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.4k papers
- Institute for Theoretical and Experimental PhysicsRU2.3k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.2k papers
- Joint Institute for Nuclear ResearchRU2.2k papers
- Institute for High Energy PhysicsES2.1k papers
- European Organization for Nuclear ResearchCH2.1k papers
- Rutherford Appleton LaboratoryGB2.1k papers
- Charles UniversityCZ2k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2k papers
- Petersburg Nuclear Physics InstituteRU2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di NapoliIT2k papers
30 papers · 2 filters
Two-dimensional structure of thin transonic discs: theory and observational manifestations
V. S. Beskin, A. D. Tchekhovskoy
We study the two-dimensional structure of thin transonic accretion discs in the vicinity of black holes. We use the hydrodynamical version of the Grad-Shafranov equation and focus…
The iron -line as a tool for an evaluation of black hole parameters
A. F. Zakharov
Recent X-ray observations of microquasars and Seyfert galaxies reveal broad emission lines in their spectra, which can arise in the innermost parts of accretion disks. Simulations…
Optical and GeV-TeV flashes from gamma-ray bursts
Andrei M. Beloborodov
The synchrotron optical flash caught in GRB 990123 overlaps with the MeV radiation front, and the optical-emitting electrons must also produce GeV-TeV emission by inverse Compton s…
Mirages around Kerr black holes and retro-gravitational lenses
A. F. Zakharov, A. A. Nucita, F. DePaolis +1
Recently Holz & Wheeler (2002) considered a very attracting possibility to detect retro-MACHOs, i.e. retro-images of the Sun by a Schwarzschild black hole. In this paper we discuss…
Polarization and energy content of parsec scale AGN jets
Maxim Lyutikov, Vladimir I. Pariev, Denise C. Gabuzda
Most of energy carried by relativistic AGN jets remains undetected until hundreds of kiloparsecs where interaction with intergalactic medium produces hot spots. The jet's hidden en…
Models and phenomenology
A. D. Erlykin
It is evident that models of the knee should match the observational phenomenology. In this talk I discuss a few aspects of phenomenology, which are important not only for the unde…
Hard X-ray Emission Clumps in the gamma-Cygni Supernova Remnant: an INTEGRAL-ISGRI View
A. M. Bykov, A. M. Krassilchtchikov, Yu. A. Uvarov +12
Spatially resolved images of the galactic supernova remnant G78.2+2.1 (gamma-Cygni) in hard X-ray energy bands from 25 keV to 120 keV are obtained with the IBIS-ISGRI imager aboard…
The Maximum Energy and Spectra of Cosmic Rays Accelerated in Active Galactic Nuclei
A. V. Uryson
We computed the energy spectra of the incident (on an air shower array) ultrahigh-energy (E > 4x10^19 eV) cosmic rays (CRs) that were accelerated in nearby Seyfert nuclei at redshi…
The Third VLBA Calibrator Survey
L. Petrov, Y. Y. Kovalev, E. Fomalont +1
This paper presents the third extension to the Very Large Baseline Array (VLBA) Calibrator Survey, containing 360 new sources not previously observed with very long baseline interf…
Contribution of microlensing to X-ray variability of distant QSOs
Alexander F. Zakharov, Luka C. Popovic, Predrag Jovanovic
We consider a contribution of microlensing to the X-ray variability of high-redshifted QSOs. Cosmologically distributed gravitational microlenses could be localized in galaxies (or…
The Interplanetary Network Supplement to the BATSE Catalogs of Untriggered Cosmic Gamma Ray Bursts
K. Hurley, B. Stern, J. Kommers +16
We present Interplanetary Network (IPN) detection and localization information for 211 gamma-ray bursts (GRBs) observed as untriggered events by the Burst and Transient Source Expe…
Accretion disks around Black Holes with Advection and Optical Depth Transition
Yu. V. Artemova, G. S. Bisnovatyi-Kogan, I. V. Igumenshchev +1
We consider the effects of advection and radial gradients of pressure and radial drift velocity on the structure of accretion disks around black holes with proper description of op…
A new method for the UHECR mass composition studies
M. Ambrosio, C. Aramo, D. D'Urso +3
The detemination of the primary cosmic ray mass composition from the longitudinal development of atmospheric cascades is still an open problem. In this work we propose a new method…
The tidal disruption rate in dense galactic cusps containing a supermassive binary black hole
P. B. Ivanov, A. G. Polnarev, P. Saha
We consider the problem of tidal disruption of stars in the centre of a galaxy containing a supermassive binary black hole with unequal masses. We assume that over the separation d…
On the structure of line-driven winds near black holes
A. V. Dorodnitsyn, I. D. Novikov
A general physical mechanism of the formation of line-driven winds at the vicinity of strong gravitational field sources is investigated in the frame of General Relativity. We argu…
Giant Pulses from PSR B1937+21 with widths <= 15 nanoseconds and T_b >= 5 x 10^39 K, the Highest Brightness Temperature Observed in the Universe
V. A. Soglasnov, M. V. Popov, N. Bartel +4
Giant radio pulses of the millisecond pulsar B1937+21 were recorded with the S2 VLBI system at 1.65 GHz with NASA/JPL's 70-m radio telescope at Tidbinbilla, Australia. These pulses…
High Energy Emission from Magnetars
C. Thompson, A. M. Beloborodov
The recently discovered soft gamma-ray emission from the anomalous X-ray pulsar 1E 1841-045 has a luminosity L_g ~ 10^{36} ergs/s. This luminosity exceeds the spindown power by thr…
'Sling effect' in the development of atmospheric cascades induced by primary cosmic ray nuclei
A. D. Erlykin, A. W. Wolfendale
The 'Sling effect' appears when a fragment of a projectile nucleus emitted after its peripheral collision with a target nucleus is caused to rotate with a high spin. The spinning f…
Gamma-ray bursts from synchrotron self-Compton emission
Boris E. Stern, Juri Poutanen
The emission mechanism of the gamma-ray bursts (GRBs) is still a matter of debates. The standard synchrotron energy spectrum of cooling electrons F_E ~ E^{-1/2} is much too soft to…
PSR B0809+74: Understanding Its Perplexing Subpulse-separation (P2) Variations
Joanna M. Rankin, R. Ramachandran, Svetlana A. Suleymanova
The longitude separation between adjacent drifting subpulses, , is roughly constant for many pulsars. It was then perplexing when pulsar B0809+74 was found to exhibit substant…
Polarization and structure of relativistic parsec-scale AGN jets
Maxim Lyutikov, Vladimir I. Pariev, Denise C. Gabuzda
(Abridged) We consider the polarization properties of optically thin synchrotron radiation emitted by relativistically moving electron--positron jets carrying large-scale helical m…
Orbital roulette: a new method of gravity estimation from observed motions
Andrei M. Beloborodov, Yuri levin
The traditional way of estimating the gravitational field from observed motions of test objects is based on the virial relation between their kinetic and potential energy. We find…
Foreground analysis from the 1-year Wilkinson Microwave Anisotropy Probe (WMAP) data
Pavel D. Naselsky, Oleg V. Verkhodanov, Lung-Yih Chiang +1
We present a detailed analysis on the phases of the WMAP foregrounds (synchrotron, free-free and dust emission) of the WMAP K-W bands in order to estimate the significance of the v…
Cosmic Rays and the Monogem Supernova Remnant
A. D. Erlykin, A. W. Wolfendale
Recent findings indicate that the Monogem Ring supernova remnant (SNR) and the associated pulsar B0656+14 may be the 'Single Source' responsible for the knee in the cosmic ray (CR)…