10.6k citations
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
On equilibrium tides in fully convective planets and stars
P. B. Ivanov, J. C. B. Papaloizou
We consider the tidal interaction of a fully convective primary star and a point mass. Using a normal mode decomposition we calculate the evolution of the primary angular velocity…
Identification of Nearby Active Galaxies as Sources of Cosmic Rays Above 4x10^19 ev
A. V. Uryson
Arrival directions of 63 extensive air showers with energies 4 10^19<E<=3 10^20 eV detected by the AGASA, Yakutsk, and Haverah Park arrays are analysed in order to identify possibl…
Binary black holes in Mkns as sources of gravitational radiation for space based interferometers
F. De Paolis, G. Ingrosso, A. A. Nucita +1
The possibility that some Markarian objects (e.g. Mkn 501, Mkn 421 and Mkn 766) host massive binary black hole systems with eccentric orbits at their centers has been considered. T…
Limitations of the Hamiltonian Treatment for Collisionless Astrophysical Accretion Flows
Vladimir I. Pariev, Eric G. Blackman
In the Hamiltonian treatment of purely mechanical systems, the canonical and actual momentum of a particle are the same. In contrast, for a plasma of charged particles and electrom…
Electromagnetic Mechanism for the Origin of Knots in Parsec Scale Jets
V. I. Pariev, Ya. N. Istomin, A. R. Beresnyak
We consider the propagation and stability of the helical electromagnetic perturbations in a relativistic force-free Pointing flux dominated jet (magnetic helix). Perturbations are…
Analysis of 6cm VLBI polarization observations of a complete sample of northern BL Lacertae Objects
D. C. Gabuzda, A. B. Pushkarev, T. V. Cawthorne
The results of VLBI total intensity (I) and linear polarization (P) observations at 6cm are presented for ten radio bright BL Lacertae objects. These images complete first-epoch po…
Measurement of the Integrated Faraday Rotations of BL Lac Objects
A. B. Pushkarev
We present the results of multi-frequency polarization VLA observations of radio sources from the complete sample of northern, radio-bright BL Lac objects compiled by H. Kuhr and G…
The influence of dark matter halo onto the evolution of a supermassive black hole
M. I. Zelnikov, E. A. Vasiliev
The influence of dark matter (DM) on the growth of supermassive black holes (SMBHs) in galaxies is studied. It is shown that gravitational scattering of DM particles on bulge stars…
Dark matter in galaxies and growth of giant black holes
A. S. Ilyin, K. P. Zybin, A. V. Gurevich
The connection between dark matter and giant black holes in the galactic nuclei is investigated. The joint evolution of dark and luminous matter in averaged self-consistent gravita…
Gauss--Legendre Sky Pixelization (GLESP) for CMB maps
A. G. Doroshkevich, P. D. Naselsky, O. V. Verkhodanov +5
A new scheme of sky pixelization is developed for CMB maps. The scheme is based on the Gauss--Legendre polynomials zeros and allows one to create strict orthogonal expansion of the…
Polarization of prompt GRB emission: evidence for electromagnetically-dominated outflow
Maxim Lyutikov, V. I. Pariev, Roger Blandford
Observations by the {\RHESSI} satellite of large polarization of the prompt -ray emission from the Gamma Ray Burst GRB021206 \citep{coburn03} imply that the magnetic field coher…
Signatures of highly inclined accretion disks in Galactic Black Hole Candidates and AGNs
A. F. Zakharov, S. V. Repin
Recent X-ray observations of Galactic Black Hole Candidates and AGNs and Seyfert galaxies reveal the broad emission lines in their spectra, which can arise in the innermost parts o…
Methanol and H2o Masers in a Disk Around GL2789
V. I. Slysh, M. A. Voronkov, I. E. Val'tts +1
VLBA and EVN radio observations of H2O masers at 22 GHz and methanol masers at 6.7 GHz have been used to obtain images of the maser spots in the infrared object GL2789, which is as…
Stellar disk in the galactic center -- a remnant of a dense accretion disk?
Yuri Levin, Andrei M. Beloborodov
Observations of the galactic center revealed a population of young massive stars within 0.4 pc from Sgr A* -- the presumed location of a supermassive black hole. The origin of thes…
Relativistic parsec-scale jets: II. Synchrotron emission
V. I. Pariev, Ya. N. Istomin, A. R. Beresnyak
We calculate the optically thin synchrotron emission of fast electrons and positrons in a spiral stationary magnetic field and a radial electric field of a rotating relativistic st…
Relativistic parsec-scale jets: I. Particle acceleration
A. R. Beresnyak, Ya. N. Istomin, V. I. Pariev
We develop a theory of particle acceleration inside relativistic rotating electron-positron force-free jets with spiral magnetic fields. We considered perturbation of the stationar…
On the tidal interaction of massive extra-solar planets on highly eccentric orbit
P. B. Ivanov, J. C. B. Papaloizou
In this paper we develop a theory of disturbances induced by the stellar tidal field in a fully convective slowly rotating planet orbiting on a highly eccentric orbit around a cent…
On the linear filters for point source extraction of the Planck mission
Lung-Yih Chiang, Pavel Naselsky
The manifestation of point sources in the upcoming PLANCK maps is a direct reflection of the properties of the pixelized antenna beam shape for each frequency, which is related to…
High-energy cosmic gamma rays from the `Single Source'
A. D. Erlykin, A. W. Wolfendale
Some six years ago, we (Erlykin and Wolfendale, 1997) proposed the `single source model' in which a local, recent supernova remnant (SNR) was responsible for the `knee' in the cosm…
The visibility of shell-type supernova remnants in gamma rays
A. D. Erlykin, A. W. Wolfendale
The idea that the shocks from supernova remnants (SNR) expanding into the interstellar medium (ISM) accelerate CR is still popular one but a number of authors have drawn attention…
Unipolar Induction of a Magnetized Accretion Disk around a Black Hole
A. A. Shatskiy
The structure and magnitude of the electromagnetic field produced by a rotating accretion disk around a black hole were determined. The disk matter is assumed to be a magnetized pl…
Pc-scale study of Radio galaxies & BL Lacs
P. Kharb, P. Shastri, D. C. Gabuzda
We study two aspects of the differences between Active Galactic Nuclei (AGN) of the two Fanaroff-Riley types in order to investigate the causes of the F-R divide. We (a) contrast t…
Magnetic Field Geometry of the Broad Line Radio Galaxy 3C111
P. Kharb, D. Gabuzda, W. Alef +2
Very Long Baseline Polarimetric observations of the Broad Line Radio galaxy 3C111 performed in July and September of 1996 at 8 and 43 GHz reveal rapidly evolving parsec-scale radio…