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Spectral evolution during a complex gamma ray burst observed with BATSEMore than 270 gamma ray bursts have been observed to date with the BATSE (Burst and Transient Source Experiment) aboard the Compton Gamma Ray Observatory. Many have a duration of 10 seconds or more and complex structure with multiple peaks or spikes. Complex bursts in the energy range 30 keV to 1 MeV were systematically analyzed to determine the relations between intensity and spectral shape, or hardness. The burst hardness rises and falls in during spikes, but somewhat earlier than the intensity. A simple correlation between intensity and hardness is, therefore, not observed: the intensity lags instead. Results from one burst which shows evidence for longer lags in longer spikes are reported.
Document ID
19930014717
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Gruber, D. E. (California Univ. San Diego., United States)
Band, D. L. (California Univ. San Diego., United States)
Ford, L. (California Univ. San Diego., United States)
Matteson, J. L. (California Univ. San Diego., United States)
Meegan, C. L. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wilson, R. B. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Fishman, G. J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Paciesas, W. S. (Alabama Univ. Huntsville., United States)
Pendleton, G. N. (Alabama Univ. Huntsville., United States)
Schaefer, B. (NASA Goddard Space Flight Center Greenbelt, MD., United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1992
Publication Information
Publication: ESA, Environment Observation and Climate Modelling Through International Space Projects. Space Sciences with Particular Emphasis on High-Energy Astrophysics
Subject Category
Space Radiation
Accession Number
93N23906
Distribution Limits
Public
Copyright
Other
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