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Egret observations of gamma-ray bursts

  • E. J. Schneid
  • , D. L. Bertsch
  • , B. L. Dingus
  • , C. E. Fichtel
  • , R. C. Hartman
  • , S. D. Hunter
  • , G. Kanbach
  • , D. A. Kniffen
  • , P. W. Kwok
  • , Y. C. Lin
  • , J. R. Mattox
  • , H. A. Mayer-Hasselwander
  • , P. F. Michelson
  • , C. Von Montigny
  • , P. L. Nolan
  • , K. Pinkau
  • , H. Rothermel
  • , M. Sommer
  • , P. Sreekumar
  • , D. J. Thompson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The EGRET instrument has detected gamma-ray bursts in its large-volume NaI spectrometer, anticoincidence shield and imaging spark chamber. Its spectral range from 1 MeV to greater than 200 MeV overlaps with and extends beyond those of other instruments on the Compton Gamma Ray Observatory. For intense high-energy bursts in the telescope field of view, detection of gamma rays in the spark chamber telescope allows the location of a burst to be determined. Only six bursts, three of which were strong bursts with gamma-ray energies greater than 10 MeV, have been observed to date as a result of BATSE triggers. Interest in spectral breaks at low energies led to a careful examination of the EGRET sensitivity in the overlap region with BATSE. The low-energy sensitivity was studied using the detailed CGRO mass model; the resulting sensitivity values are presented as a function of burst direction relative to EGRET.

Original languageEnglish
Title of host publicationCompton Gamma-Ray Observatory
EditorsNeil Gehrels, Michael W. Friedlander, Daryl J. Macomb
PublisherAmerican Institute of Physics Inc.
Pages850-854
Number of pages5
ISBN (Electronic)1563961040
DOIs
Publication statusPublished - 1993
EventCompton Symposium - St. Louis, United States
Duration: 15-10-199217-10-1992

Publication series

NameAIP Conference Proceedings
Volume280
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceCompton Symposium
Country/TerritoryUnited States
CitySt. Louis
Period15-10-9217-10-92

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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