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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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19 papers · 2 filters
Properties of Cosmic Ray Interactions at PeV Energies
A. D. Erlykin, A. W. Wolfendale
An analysis has been made of the present situation with the high energy hadron-nucleus and nucleus-nucleus interaction models. As is already known there are inconsistencies in the…
On formation rate of close binaries consisting of a super-massive black hole and a white dwarf
P. B. Ivanov
The formation rate of a close binary consisting of a super-massive black hole and a compact object (presumably a white dwarf) in galactic cusps is calculated with help of the so-ca…
Nonthermal Hard X-Ray Emission from the Galactic Ridge
V. A. Dogiel, V. Schoenfelder, A. W. Strong
We investigate the origin of the nonthermal X-ray emission from the Galactic ridge in the range 10-200 keV. We consider bremsstrahlung of subrelativistic cosmic ray protons and ele…
Combined multi-frequency map for point source substraction
Pavel Naselsky, Dimitri Novikov, Joseph Silk
A method is proposed for combining multi-frequency maps in order to produce a catalogue of extragalactic point sources using data from future high-precision satellite experiments.…
Asymmetry of the PLANCK antenna beam shape and its manifestation in the CMB data
L. -Y. Chiang, P. R. Christensen, H. E. Jorgensen +4
We present a new method to extract the beam shape incorporated in the pixelized map of CMB experiments. This method is based on the interplay of the amplitudes and phases of the si…
Abundance and evolution of galaxy clusters in cosmological models with massive neutrino
N. A. Arhipova, T. Kahniashvili, V. N. Lukash
The time evolution of the number density of galaxy clusters and their mass and temperature functions are used to constrain cosmological parameters in the spatially flat dark matter…
Total linear polarization in the OH maser W75N: VLBA polarization structure
V. I. Slysh, V. Migenes, I. E. Val'tts +5
W75N is a star-forming region containing various ultracompact HII regions and OH, water, and methanol maser emission. Our VLBA map shows that the OH masers are located in a thin di…
Changes in the trajectory of the radio jet in 0735+178?
J. L. Gomez, J. C. Guirado, I. Agudo +4
We present multi-epoch 8.4 and 43 GHz Very Long Baseline Array images of the BL Lac object 0735+178. The images confirm the presence of a twisted jet with two sharp apparent bends…
Cosmological implications of galaxy clusters: best-fit models
V. N. Lukash
The galaxy cluster power spectrum and mass/temperature functions are currently the most precise observational tools for constraining the theory of the formation of large scale stru…
Submillimeter telescope for the Russian segment of the ISS: Submillimetron Project
V. Gromov, L. Kuzmin, D. Chouvaev +7
The Submillimetron is the international project of the space telescope for astronomical studies at the submillimeter and infrared wavelengths using facilities of the Russian segmen…
The Decline of the Source Population of Gamma-Ray Bursts and Their Luminosity Function
B. E. Stern, Ya. Tikhomirova, R. Svensson
The source population of gamma-ray bursts (GRBs) declines towards the present epoch being consistent with the measured decline of the star formation rate. We show this using the br…
Pulsar microstructure and its quasi-periodicities with the S2 VLBI system at a resolution of 62.5 nanoseconds
M. V. Popov, N. Bartel, W. H. Cannon +3
We report on a study of microstructure and its quasi-periodicities of three pulsars at 1.65 GHz with the S2 VLBI system at a resolution of 62.5 ns, by far the highest for any such…
Evolution of galaxy clusters in MDM cosmologies
N. A. Arkhipova, T. Kahniashvili, V. N. Lukash
The time evolution of galaxy cluster abundance is used to constrain cosmological parameters in dark matter models containing a fraction of hot particles (massive neutrino). We test…
Maser and thermal methanol emission in the millimeter wave range: new masers at 1.3 mm and 2.8 mm
S. V. Kalenskii, V. I. Slysh, I. E. Val'tts
Results of a survey of Galactic star-forming regions in the lines of methanol 8_{-1}-7_0E at 229.8 GHz, 3_{-2}-4_{-1}E at 230.0 GHz, 0_0-1_{-1}E at 108.9 GHz, and a series of metha…
The fine spatial structure of methanol masers as an evidence in support of their connection with bipolar outflows
V. I. Slysh, I. E. Val'tts, S. V. Kalenskii
We studied class I methanol masers in the transition 7_0-6_1 A+ at the frequency 44 GHz with the VLA. The observations on the VLA were made with the angular resolution 0''.1, which…
Unusual Radio Properties of the BL Lac Object 0820+225
D. C. Gabuzda, A. B. Pushkarev, N. N. Garnich
We present the results of simultaneous VLBA polarisation observations of the BL Lacertae object 0820+225 at 5, 8, and 15 GHz, together with earlier images at 5 GHz. This source has…
The Origin of the Knee in the Cosmic-Ray Energy Spectrum
A. D. Erlykin, A. W. Wolfendale
A sudden steepening of the cosmic-ray energy spectrum (the knee) is observed at an energy of about 3 PeV (1 PeV = 10eV). The recent results on extensive air showers allow us…
X-ray spectra of accretion discs with dynamic coronae
Julien Malzac, Andrei M. Beloborodov, Juri Poutanen
We compute the X-ray spectra produced by non-static coronae atop accretion discs around black holes and neutron stars. The hot corona is radiatively coupled to the underlying disc…
Evidence for Free Precession in the Pulsar B1642-03
T. V. Shabanova, A. G. Lyne, J. O. Urama
We present an analysis of the timing data of the pulsar B1642-03, collected over a span of 30 years between 1969 and 1999. During this interval, the timing residuals exhibit cyclic…