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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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31 papers · 2 filters
Neutron-loaded outflows in gamma-ray bursts
Elena M. Rossi, Andrei M. Beloborodov, Martin J. Rees
Relativistic neutron-loaded outflows in gamma-ray bursts are studied at their early stages, before deceleration by a surrounding medium. The outflow has four components: radiation,…
Shapiro Effect as a Possible Cause of the Low-Frequency Pulsar Timing Noise in Globular Clusters
T. I. Larchenkova, S. M. Kopeikin
A prolonged timing of millisecond pulsars has revealed low-frequency uncorrelated noise, presumably of astrophysical origin, in the pulse arrival time (PAT) residuals for some of t…
Dynamic tides in rotating objects: orbital circularisation of extra solar planets for realistic planet models
P. B. Ivanov, J. C. B. Papaloizou
(abbreviated) We consider the problem of the tidal capture or circularisation from large eccentricity of a uniformly rotating object. We extend the self-adjoint formalism introduce…
Different Types of Fe K_αLines from Radiating Annuli near Black Holes
Alexander F. Zakharov, Serge V. Repin
Recent X-ray observations of microquasars and Seyfert galaxies reveal the broad emission lines in their spectra, which can arise in the innermost parts of accretion disks. A theore…
Oscillations of rotating bodies: A self-adjoint formalism applied to dynamic tides and tidal capture
J. C. B. Papaloizou, P. B. Ivanov
We consider the excitation of the inertial modes of a uniformly rotating fully convective body due to a close encounter with another object. This could lead to a tidal capture or o…
Possible Origin of Clusters in Ultra-High-Energy Cosmic rays
A. V. Uryson
We estimate the detection rate of ultrahigh-energy cosmic rays on ground based arrays by assuming that the cosmic ray sources are active galactic nuclei. We analyse the cases of de…
Superlong GRBs
Yana Tikhomirova, Boris E. Stern
We searched for anomalously long GRBs (GRBs) in the archival records of the Burst and Transient Sources Experiment (BATSE). Ten obvious superlong (>500 s) GRBs with almost continuo…
New soft gamma-ray bursts in the BATSE records and spectral properties of X-ray rich bursts
Yana Tikhomirova, Boris Stern, Alexandra Kozyreva +1
A population of X-ray dominated gamma-ray bursts (GRBs) observed by Ginga, BeppoSax and Hete-2 should be represented in the BATSE data as presumably soft bursts. We have performed…
Atmospheric Aerosol Limb Scanning Based on the Lunar Eclipses Photometry
O. S. Ugolnikov, I. A. Maslov
The work is devoted to the analysis of the surface photometric observations of two total lunar eclipses in 2004. The lunar surface relative brightness distribution inside the umbra…
Statistics of Neutron Stars at the Stage of Supersonic Propeller
V. S. Beskin, S. A. Eliseeva
We analyze the statistical distribution of neutron stars at the stage of a supersonic propeller. An important point of our analysis is allowance for the evolution of the angle of i…
Relativistic cross sections of mass stripping and tidal disruption of a star by a super-massive rotating black hole
P. B. Ivanov, M. A. Chernyakova
[abbreviated] We consider the problem of tidal disruption of a star by a super-massive Kerr black hole. Using a numerically fast Lagrangian model of the tidally disrupted star we s…
The Fourth VLBA Calibrator Survey - VCS4
L. Petrov, Y. Y. Kovalev, E. Fomalont +1
This paper presents the fourth extension to the Very Long Baseline Array (VLBA) Calibrator Survey, containing 258 new sources not previously observed with very long baseline interf…
Statistics of Extinct Radio Pulsars
V. S. Beskin, S. A. Eliseeva
We study the statistical distribution of extinct radio pulsars -- isolated neutron stars, that just crossed the death line. An important element that distinguishes our study from o…
Comparison between methods for the determination of the primary cosmic ray mass composition from the longitudinal profile of atmospheric cascades
M. Ambrosio, C. Aramo, C. Donalek +5
The determination of the primary cosmic ray mass composition from the longitudinal development of atmospheric cascades is still a debated issue. In this work we discuss several dat…
CMBR anisotropy: theoretical approaches
B. M. Barbashov, V. N. Pervushin, A. F. Zakharov +1
The version of the cosmological perturbation theory based on exact resolution of energy constraint is developed in accordance with the diffeomorphisms of general relativity in the…
Power Law Spectra in the Nature: Analogies with the Cosmic Ray Spectrum
Yuri V. Stenkin
Examples of the power law spectra observations in the Nature are given. It is shown that the observed meteoroid mass spectrum is very similar to the observed cosmic ray energy spec…
Two approaches to the cosmic ray "knee" problem and the experimental data
Yuri V. Stenkin
Two approaches to the old problem of the so-called "knee" in cosmic ray spectrum are compared with the existing experimental data. It is shown that "standard astrophysical model" o…
Correlations from Galactic foregrounds in the 1-year Wilkinson Microwave Anisotropy Probe WMAP data
Pavel D. Naselsky, Igor D. Novikov, Lung-Yih Chiang
We study a specific correlation in spherical harmonic multipole domain for cosmic microwave background (CMB) analysis. This group of correlation between Δl=4n, n=1,2... is caused b…
On the effective particle acceleration in the paraboloidal magnetic field
V. S. Beskin, E. E. Nokhrina
The problem of the efficiency of particle acceleration for parabolic poloidal magnetic field is considered within the approach of steady axisymmetric MHD flow. For the large Michel…
Statistical characteristics of observed Ly- forest and the shape of linear power spectrum
M. Demianski, A. G. Doroshkevich, V. I. Turchaninov
Properties of 6 000 Ly- absorbers observed in 19 high resolution spectra of QSOs are investigated using the model of formation and evolution of DM structure elements base…
The detection of Class I methanol masers towards regions of low-mass star formation
S. V. Kalenskii, V. G. Promyslov, V. I. Slysh +2
Six young bipolar outflows in regions of low-to-intermediate-mass star formation were observed in the 7_0-6_1A+, 8_0-7_1A+, and 5_{-1}-4_0E methanol lines at 44, 95, and 84 GHz, re…
Sub-milliarcsecond Imaging of Quasars and Active Galactic Nuclei. IV. Fine Scale Structure
Y. Y. Kovalev, K. I. Kellermann, M. L. Lister +11
We have used VLBA fringe visibility data obtained at 15 GHz to examine the compact structure in 250 extragalactic radio sources. For 171 sources in our sample, more than half of th…
Direct Measurements of Black Hole Charge with Future Astrometrical Missions
A. F. Zakharov, F. De Paolis, G. Ingrosso +1
Recently, Zakharov et al. (2005) considered the possibility of evaluating the spin parameter and the inclination angle for Kerr black holes in nearby galactic centers by using futu…
Absorption of dark matter by a supermassive black hole at the Galactic center: role of boundary conditions
M. I. Zelnikov, E. A. Vasiliev
The evolution of the dark matter distribution at the Galactic center is analyzed, which is caused by the combination of gravitational scattering on Galactic bulge stars and absorpt…