Results 251 to 260 of about 249,735 (272)
Collapsar model for the central engine of gamma ray bursts
, 2018 Sachiko Tsuruta
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Synaptic high-frequency jumping synchronises vision to high-speed behaviour
Mansour N +20 more
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Detailed polarization measurements of the prompt emission of five gamma-ray bursts
Nature Astronomy, 2019Gamma-ray bursts (GRBs) are the strongest explosions in the Universe since the Big Bang. They are believed to be produced either in the formation of black holes at the end of massive star evolution1–3 or the merging of compact objects4.
Shuang-Nan Zhang +39 more
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Gamma-ray bursts as cool synchrotron sources
Nature Astronomy, 2018Gamma-ray bursts (GRBs) are the most energetic electromagnetic sources in the Universe, releasing 10 42 –10 47 J (refs. 1 , 2 ) in prompt gamma-ray radiation.
J. Burgess +9 more
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Annals of the New York Academy of Sciences, 1993
The distribution of γ‐ray bursts as observed by BATSE rules out the galactic disk origin, and it is consistent with the cosmological origin. Much work is currently done to reconcile galactic halo distribution with the absence of dipole and quadrupole moments in the positions of BATSE bursts. A relativistic expansion of the source is implied by both the
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The distribution of γ‐ray bursts as observed by BATSE rules out the galactic disk origin, and it is consistent with the cosmological origin. Much work is currently done to reconcile galactic halo distribution with the absence of dipole and quadrupole moments in the positions of BATSE bursts. A relativistic expansion of the source is implied by both the
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AIP Conference Proceedings, 1994
We present preliminary results of a study of BATSE spectra of gamma‐ray bursts (GRBs). Our ultimate aim is to investigate short‐duration as well as long‐duration GRBs and to focus the analysis on possible similarities and differences between the two populations. We present here spectral properties obtained from both time‐integrated counts and from time‐
DE PAOLIS, Francesco +2 more
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We present preliminary results of a study of BATSE spectra of gamma‐ray bursts (GRBs). Our ultimate aim is to investigate short‐duration as well as long‐duration GRBs and to focus the analysis on possible similarities and differences between the two populations. We present here spectral properties obtained from both time‐integrated counts and from time‐
DE PAOLIS, Francesco +2 more
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AIP Conference Proceedings, 1983
The time histories, size spectrum, spatial distribution, and repetition rates of gamma ray bursts are reviewed briefly. Evidence for a neutron star origin for gamma ray bursts may be found in many of these aspects of bursters. New results from optical searches are described.
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The time histories, size spectrum, spatial distribution, and repetition rates of gamma ray bursts are reviewed briefly. Evidence for a neutron star origin for gamma ray bursts may be found in many of these aspects of bursters. New results from optical searches are described.
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Space Science Reviews, 1983
The observational characteristics of gamma-ray bursts are reviewed, concerning their spectra as well as their temporal structure and spatial distribution. From this data, it is suggested that the sources belong to a thick halo population (scale height > 3 kpc), and that the mean recurrence time for one source is greater than 5 yr.
G. Vedrenne, G. Chambon
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The observational characteristics of gamma-ray bursts are reviewed, concerning their spectra as well as their temporal structure and spatial distribution. From this data, it is suggested that the sources belong to a thick halo population (scale height > 3 kpc), and that the mean recurrence time for one source is greater than 5 yr.
G. Vedrenne, G. Chambon
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The theory of gamma-ray bursts
AIP Conference Proceedings, 1984A γ-ray burst occurs when a strongly magnetic neutron star experiences either a thermonuclear explosion in degenerate material accumulated over a long period of time or the sudden, greatly super-Eddington accretion of matter. Certain aspects of the thermonuclear model are briefly reviewed and special attention is devoted to mechanisms for producing the
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Gamma-ray bursts and cosmology
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2007I review the current status of the use of gamma-ray bursts (GRBs) as probes of the early Universe and cosmology. I describe the promise of long GRBs as probes of the high redshift ( z >4) and very high redshift ( z >5) Universe, and several key scientific results that have come from ...
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