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Related papers: Gamma-ray Bursts Produced by Mirror Stars

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A model is proposed for gamma-ray bursts based upon a neutrino burst of about 10^52 ergs lasting a few seconds above a heated collapsing neutron star. This type of thermal neutrino burst is suggested by relativistic hydrodynamic studies of…

Astrophysics · Physics 2009-10-31 Jay D. Salmonson , James R. Wilson , Grant J. Mathews

By now there is substantial evidence that Gamma-Ray Bursts (GRBs) originate at cosmological distances from very powerful explosions. The interaction between a GRB and its surrounding environment has dramatic consequences on the environment…

Astrophysics · Physics 2009-11-06 Rosalba Perna

The use of Gamma Ray Bursts as ``standard candles'' has been made possible by the recent discovery of a very tight correlation between their rest frame intrinsic properties. This correlation relates the GRB prompt emission peak spectral…

Astrophysics · Physics 2009-11-13 G. Ghirlanda , G. Ghisellini , L. Nava , C. Firmani

The effect of a nearby $\gamma$-ray burst (GRB) on the preplanetary solar nebula is considered. The intense irradiation by x-rays and $\gamma$-rays would have caused dust balls to become molten in a matter of seconds, cooling more slowly to…

Astrophysics · Physics 2007-05-23 B. McBreen , L. Hanlon

The hypothesis that ultra-high energy (>~ 10^19 eV) cosmic rays (UHECRs) are accelerated by gamma-ray burst (GRB) blast waves is assumed to be correct. Implications of this assumption are then derived for the external shock model of…

Astrophysics · Physics 2009-10-31 Charles D. Dermer

Gamma-ray bursts (GRBs) are violent explosions, coming from cosmological distances. They are detected in gamma-rays (also X-rays, UV, optical, radio) almost every day, and have typical durations of a few seconds to a few minutes. Some GRBs…

High Energy Astrophysical Phenomena · Physics 2015-06-10 Antonios Nathanail , Ioannis Contopoulos

Gamma Ray Burst (GRB) explosions are powerful and frequent enough to make kiloparsec-size shells and holes in the interstellar media of spiral galaxies. The observations of such remnants are summarized. Several observed shells contain no…

Astrophysics · Physics 2009-10-30 Y. N. Efremov , B. G. Elmegreen , P. W. Hodge

A hypothesis is proposed that the gamma-ray bursts (GRBs) may arise by blueshifting the emission radiation of hydrogen and helium generated during the last scattering epoch. The blueshift mechanism is provided by such a Lema\^itre -- Tolman…

General Relativity and Quantum Cosmology · Physics 2015-09-23 Andrzej Krasiński

There is now an increasing number of evidence supporting the idea that the cosmic Gamma-ray Bursts (GRBs) originate from the collapse of massive stars in distant star-forming galaxies. Because GRBs are likely detectable up to very high…

Astrophysics · Physics 2007-05-23 E. Le Floc'h , P. -A. Duc , I. F. Mirabel

GRBs contribute to the evolving cosmic radiation field. We discuss the contribution of GRBs to the high-energy background, and the effect of pair creation off low-energy photons on their observable TeV spectrum.

Astrophysics · Physics 2009-11-07 D. H. Hartmann , T. M. Kneiske , K. Mannheim , K. Watanabe

Starburst galaxies have a highly increased star-formation rate compared to regular galaxies and inject huge amounts of kinetic power into the interstellar medium via supersonic stellar winds, and supernova explosions. Supernova remnants,…

High Energy Astrophysical Phenomena · Physics 2016-07-20 Stefan Ohm

A weakly magnetized ($\sim 10^7$G) neutron star, slowly spun up by accretion in an X-ray binary, crosses the instability boundary for r-mode instability at P=1--2 msec. The amplitude of the oscillation, which initially increases only at the…

Astrophysics · Physics 2007-05-23 H. C. Spruit

The accretion of ~ 0.1 -- 1 M_o of material by a neutron star through Roche lobe overflow of its companion or through white-dwarf/neutron-star coalescence in a low mass binary system could be enough to exceed the critical mass of a neutron…

Astrophysics · Physics 2009-11-11 Charles D. Dermer , Armen Atoyan

If gamma-ray bursts originate in our Galaxy, they probably involve violent disturbances in the magnetospheres of neutron stars. Any event of this kind is likely to trigger the sudden expulsion of magnetic flux and plasma at relativistic…

Astrophysics · Physics 2016-06-08 Mitchell C. Begelman , P. Meszaros , Martin J. Rees

Significant gravitational wave emission is expected from gamma-ray bursts arising from compact stellar mergers, and possibly also from bursts associated with fast-rotating massive stellar core collapses. These models have in common a high…

Astrophysics · Physics 2009-11-07 Shiho Kobayashi , Peter Meszaros

Gamma-ray bursts, discovered over three decades ago, can appear to be a hundred times as luminous as the brightest supernovae. However, there has been evidence for some time now of an association of gamma-ray bursts with supernovae of type…

Astrophysics · Physics 2007-05-23 John Middleditch

Understanding of the nature of gamma-ray bursts (GRBs) is one of the challenging problem facing the astrophysics community. The field of gamma ray bursts is a rapidly developing one and we expect that new missions, like SWIFT and GLAST will…

Astrophysics · Physics 2008-11-26 A. Lazarian , V. Petrosian , H. Yan , J. Cho

Based on a simulation of galaxy formation in the standard cosmological model, we suggest that a consistent picture for Gamma-Ray Bursts and star formation may be found that is in broad agreement with observations: GRBs preferentially form…

Astrophysics · Physics 2007-10-25 Renyue Cen , Taotao Fang

The rate of terrestrial irradiation events by galactic gamma-ray bursts (GRBs) is estimated using recent standard-energy results. We assume that GRBs accelerate high-energy cosmic rays, and present results of three-dimensional simulations…

Astrophysics · Physics 2009-11-10 Charles D. Dermer , Jeremy M. Holmes
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