Search Results - "Bednarek, W."

Inefficient acceleration of electrons in the shocked wind of the massive star Θ1 Ori C within the Trapezium Cluster by Bednarek, W

“…ABSTRACT Shocked winds of massive stars in young stellar clusters have been proposed as possible sites in which relativistic particles are accelerated…”
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For how long are particles accelerated in shells of recurrent novae? by Bednarek, W

“…ABSTRACT Galactic novae are at present a well established class of γ-ray sources. We wonder for how long the mechanism of acceleration of electrons operates in…”
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High-energy radiation from luminous and magnetized stars by Bednarek, W

“…ABSTRACT A part of early-type stars is characterized by strong dipole magnetic field that is modified by the outflow of dense wind from the stellar surface. At…”
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GeV–TeV γ-rays produced by electrons in the kpc-scale jet as a result of Comptonization of the inner jet emission by Bednarek, W

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Hadronic model for the non-thermal radiation from the binary system AR Scorpii by Bednarek, W

“…Abstract AR Scorpii is a close binary system containing a rotation powered white dwarf and a low-mass M type companion star. This system shows non-thermal…”
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Morphology of TeV Gamma-Ray Emission from the Kiloparsec-scale Jets in Radio Galaxies by Bednarek, W.

“…TeV γ rays are observed from a few nearby radio galaxies whose jets are viewed at relatively large angles toward the observer. This emission can be produced in…”
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HIGH ENERGY NEUTRINOS PRODUCED IN THE ACCRETION DISKS BY NEUTRONS FROM NUCLEI DISINTEGRATED IN THE AGN JETS by Bednarek, W.

“…ABSTRACT We investigate the consequences of acceleration of nuclei in jets of active galaxies not far from the surface of an accretion disk. The nuclei can be…”
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High-energy neutrinos from fast winds in novae by Bednarek, W, Śmiałkowski, A

“…ABSTRACT We discuss a scenario in which TeV neutrinos are produced during explosions of novae. It is argued that hadrons are accelerated to very high energies…”
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Absorption effects in the blazar’s γ-ray spectra due to luminous stars crossing the jet by Bednarek, W, Sitarek, J

“…ABSTRACT γ-ray emission in active galaxies is likely produced within the inner jet, or in the close vicinity of the supermassive black hole (SMBH) at…”
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On the origin of sub-TeV gamma-ray pulsed emission from rotating neutron stars by Bednarek, W.

“…Abstract Intriguing sub-TeV tails in the pulsed γ-ray emission from the Crab pulsar have recently been discovered by the Major Atmospheric Gamma-Ray Imaging…”
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A model for the two component γ-ray spectra observed from the γ-ray binaries by Bednarek, W.

“…ABSTRACT Observations of two well‐known binary systems (LS 5039 and LS I +61 303) with the satellite and Cherenkov telescopes revealed the broad‐band γ‐ray…”
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Variability of GeV gamma-ray emission in QSO B0218+357 due to microlensing on intermediate size structures by Sitarek, J., Bednarek, W.

“…Strong gravitational lensing leads to an occurrence of multiple images, with different magnifications, of a lensed source. Those magnifications can in turn be…”
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γ-ray production in young open clusters: Berk 87, Cyg OB2 and Westerlund 2 by Bednarek, W.

“…Young open clusters are sites of cosmic ray acceleration as indicated by recent detections of the TeV γ-ray sources in the directions of two open clusters (Cyg…”
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TeV gamma-ray emission initiated by the population or individual millisecond pulsars within globular clusters by Bednarek, W., Sitarek, J., Sobczak, T.

“…Two energetic millisecond pulsars (MSPs) within globular clusters (GCs), J1823-3021A in NGC 6624 and PSR B1821-24 in M28, have been recently discovered to emit…”
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On the variability of the GeV and multi-TeV gamma-ray emission from the Crab nebula by Bednarek, W., Idec, W.

“…Recently, the AGILEγ-ray telescope has reported enhanced γ-ray emission above 100 MeV from the direction of the Crab nebula during a period of a few days. This…”
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TeV gamma-rays from accreting magnetars in massive binaries by Bednarek, W.

“…This paper focuses on neutron stars (NS) of the magnetar type inside massive binary systems. We determine the conditions under which the matter from the…”
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On the possibility of sub-TeV γ-ray emission from Cyg X-3 by Bednarek, W.

“…The compact X-ray binary system Cyg X-3 has been recently discovered as a source of GeV γ-rays by the AGILE and the Fermi satellites. It shows emission…”
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Two Blobs in a Jet Model for the γ-Ray Emission in Radio Galaxies by Banasi ski, P., Bednarek, W.

“…In the unified scheme, FR I type radio galaxies are identified with the blazar type active galaxies for which jets are aligned at large angles to the line of…”
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Inverse Compton e± pair cascade model for the γ-ray production in massive binary LSI +61° 303 by Bednarek, W.

“…We apply an inverse Compton e± pair cascade model for γ-ray production in the massive binary system LSI +61° 303 assuming that electrons are accelerated…”
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Misaligned TeV γ-ray sources in the vicinity of globular clusters by Bednarek, W., Sobczak, T.

“…Globular clusters (GCs) contain huge number of low-mass stars and also large number of millisecond pulsars (MSPs). Due to the number of stars, the stellar and…”
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