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Chapter and Conference Paper
Gamma-Ray Bursts: Should Cosmologists Care?
Gamma-Ray Burst (GRB) locations are distributed isotropically on the sky, but the intensity distribution of the bursts seems clearly incompatible with spatial homogeneity. Of the scenarios that attempt to prov...
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Article
Gamma-Ray Bursts: Should cosmologists care?
Gamma-Ray Burst (GRB) locations are distributed isotropically on the sky, but the intensity distribution of the bursts seems clearly incompatible with spatial homogeneity. Of the scenarios that attempt to prov...
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Article
VLA observations of GRB error boxes
Very Large Array (VLA) radio observations of precisely-located GRB error boxes have been performed to search for fading and quiescent emission associated with γ-ray bursts. These observations were made as quic...
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Article
The intrinsic luminosity of γ-ray bursts and their host galaxies
THE Burst and Transient Source Experiment (BATSE) on the Compton Gamma-Ray Observatory has shown that, although γ-ray bursts are distributed isotropically on the sky, there is an apparent dearth of weak events...
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Article
The GB790325b γ-ray error box revisited
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Article
The soft γ-ray burst GB790107
Nearly all of the known γ-ray bursts (GRBs), when observed over the energy range ∼30 keV to 1 MeV, have intensity spectra that can be described in terms of several-hundred-keV exponential functions. The Venera 11...
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Article
GB841215, the fastest γ-ray burst?
In the 12 yr since the discovery of γ-ray bursts by Klebesadel et al.1, several hundred of these enigmatic events have been observed and catalogued (see, for example, refs 2–5). Their time histories have exhibite...
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Article
Further comments on the KONUS catalog
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Chapter
N49: The Site of a Gamma-Ray Burst. Preliminary Results from X-Ray Observations.
The error box of the unusual Gamma-Ray Burst of March 5, 1979 falls completely inside the optical and radio image of the Supernova Remnant N49 in the Large Magellanic Cloud. This region was observed twice in x...
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Article
Persistent X-ray emission from a γ-ray burst source
A quiescent X-ray source detected with the Einstein X-ray Observatory in a location consistent with that of an intense γ-ray burst1–3 is shown here to be also consistent with the location of the 1928 optical tran...
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Article
Comments on the gamma-ray burst catalog of Mazetset al. (1981a)
We have discovered a correlation between the Venera spacecraft locations and the gamma-ray burst positions reported in the KONUS catalog (Mazetset al., 1981a). The reason for the correlation is not clear, but it ...
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Article
γ-ray sources as comptonized X-ray sources
γ-ray burst spectra have often been fit by optically thin thermal bremsstrahlung. However, at the high temperatures implied by such fits (kT∼300 keV), the free–free cross-section is so much smaller than the Compt...
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Article
X-ray and optical observations of the November 19, 1978 Gamma-Ray Burst source region
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Article
The LASL gamma-ray burst astronomy program
Gamma-ray burst observations performed by LASL began with the identification and initial report of the phenomenon from data acquired by the Vela satellites. The Vela instruments have recorded responses to 73 g...
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Article
Gamma-burst observations from the Pioneer Venus Orbiter
The LASL Pioneer Venus Orbiter Gamma Burst Detector (OGBD) is a vital element in the long base-line array of similar instruments intended to precisely locate sources of gamma-ray bursts. Results of early obser...
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Article
Spectral evolution of the 5 March 1979 γ burst
The γ burst1 of 5 March 1979 was observed by nine experiments2–6 widely spaced on an interplanetary scale allowing an accurate position for a γ-burst source to be determined2,6 for the first time. Spectral observ...
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Chapter and Conference Paper
X-Ray and Optical Observations of the November 19, 1978 Gamma-Ray Burst Source Region
The November 19, 1978 Gamma-Ray Burst has a very well determined error box, 10 square arcmin (Cline et al., 1981). An 8000 second IPC exposure with the Einstein Observatory detected, at a 3.40 level, one low i...
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Article
γ-Ray burst observations from the UCB/LASL experiment on ISEE-3
Since the discovery of the intense bursts of γ rays by Klebesadel et al.1 in 1973, little progress has been made in the identification of the sources of the bursts. The initial observations provided directions to...
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Article
Periodicity of the γ-ray transient event of 5 March 1979
An unusual γ-ray burst event was observed on 5 March 1979 by nine different spacecraft1–5. The position of the event has been accurately determined1,2 as α = 5h 25.95 min, δ = −66°07.1′ (epoch 1950.0), coincident...
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Article
A probable 1970 hard X-ray outburst by 4U0041 + 32
During a balloon test flight on 4 February 1970, an engineering model of the UCSD Cosmic X-ray Experiment, later flown on the OSO 7 satellite, observed what was apparently an unknown high-latitude X-ray source...