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Heliospheric Origin of Gamma-Ray Bursts | | Ti-Pei Li
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28 Apr 1997 | | Subject: | astro-ph | | Affiliation: | Inst. of High Energy Physics, Beijing | | Abstract: | Systematic variations of average observational characteristics and correlation properties between different parameters of gamma-ray bursts (GRBs) with time from 1991 April to 1994 September are revealed. It is hard to explain the observed long-term variability by variations of experimental conditions. The variability of GRB properties with the time scale of months to years, together with the similarity between GRBs, solar hard X-ray flares and terrestrial gamma-ray flashes, may indicate an origin of GRBs, at least partly, within the heliosphere. Large-voltage and high-temperature pinch plasma columns produced by disruptive electrical discharges in the outer heliosphere can generate hard X-ray and gamma-ray flashes with energy spectra and spectral evolution characters consistent with that observed in GRBs. | | Source: | arXiv, astro-ph/9704264 | | Services: | Forum | Review | PDF | Favorites | |
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