An Investigation of Temporal Characteristics of Gamma-ray Bursts Observed with BATSE PDF Download
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Author: Thomas Michael Koshut
Publisher:
ISBN:
Category : Gamma ray bursts
Languages : en
Pages : 340
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Book Description
Author: Thomas Michael Koshut
Publisher:
ISBN:
Category : Gamma ray bursts
Languages : en
Pages : 340
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Book Description
Author: Jay Preston Norris
Publisher:
ISBN:
Category : Gamma ray astronomy
Languages : en
Pages : 570
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Book Description
Author: Timothy W. Giblin
Publisher:
ISBN:
Category : Gamma ray bursts
Languages : en
Pages : 438
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Book Description
Author: Jay Preston Norris
Publisher:
ISBN:
Category : Gamma ray bursts
Languages : en
Pages : 514
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Book Description
Author: John M. Horack
Publisher:
ISBN:
Category : Gamma ray bursts
Languages : en
Pages : 380
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Book Description
Author: Lyle A. Ford
Publisher:
ISBN:
Category : Gamma ray astronomy
Languages : en
Pages : 444
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Book Description
Author: Valentino Esposito
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845419503
Category :
Languages : en
Pages : 108
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Book Description
Gamma-Ray Bursts (GRBs) light curve temporal analysis provides useful information about the nature of the phenomenon and the physics behind it. We investigate the presence of characteristic time scales in GRB prompt light curves using wavelets, a relatively new analysis technique with the property of decomposing the input signal on a set of localised basis functions, which are best suited than long waves to analyise transient phenomena such as GRBs. Wavelets are used to perform wavelet filtering and wavelet power spectra on the 50 brightest GRBs detected by BeppoSAX, looking for the dominant time scales in the GRB prompt emission. We found that GRBs can be classified based on their power spectra shape. We looked for correlations between the temporal power and the peak energy of the GRB energy spectrum. We tentatively found that what seems to be mostly important is the temporal power at shorter time scales: a large power at these time scales is more likely to be associated to large values of the time-averaged peak energy.
Author: Cheng Ho
Publisher: Cambridge University Press
ISBN: 9780521414494
Category : Nature
Languages : en
Pages : 532
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Book Description
Summarizes the current understanding of Astronomical gamma-ray bursts, short-lived flashes of high-energy radiation, which have eluded even a basic explanation for over twenty years, and describes directions for future research.
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722253998
Category :
Languages : en
Pages : 26
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Book Description
Gamma ray bursts display a wide range of temporal and spectral characteristics, but typically last several seconds and emit most of their energy in a low energy, gamma ray region. The burst sources appear to be isotropically distributed on the sky. Several lines of evidence suggest magnetic neutron stars as sources for bursts. A variety of energy sources and emission mechanisms are proposed. Meegan, Charles A. Marshall Space Flight Center ...
Author: Juri Poutanen
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 468
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Book Description
Annotation Papers from a February 1999 workshop discuss unresolved issues regarding prompt emission of gamma-ray bursts (GRBs). Themes are temporal properties, spectral properties, central engine and radiative mechanisms, spatial distribution, luminosity function, cosmological effects, and future missions. Specific topics include radiation from relativistic strongly magnetized outflows, quasi-thermal comptonization and GRBs, and cosmological signatures in temporal and spectral characteristics of GRBs. The volume lacks a subject index. The editors are affiliated with the Stockholm Observatory. Annotation c. Book News, Inc., Portland, OR (booknews.com)
