Egret measurements of energetic gamma rays from the gamma-ray bursts of 1992 June 22 and 1994 March 1

  • E. J. Schneid*
  • , D. L. Bertsch
  • , B. L. Dingus
  • , C. E. Fichtel
  • , R. C. Hartman
  • , S. D. Hunter
  • , G. Kanbach
  • , D. A. Kniffen
  • , Y. C. Lin
  • , J. R. Mattox
  • , H. A. Mayer-Hasselwander
  • , P. F. Michelson
  • , C. Von Montigny
  • , P. L. Nolan
  • , P. Sreekumar
  • , D. J. Thompson
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Energetic gamma-ray emissions from the gamma-ray bursts on 1992 June 22 (GRB 920622) and on 1994 March 1 (GRB 940301) were detected by the Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory (CGRO). Spectral data for both bursts were measured by EGRET's large NaI detector. Gamma rays up to 160 MeV wre observed for GRB 940301 with its spark chamber telescope. Time-integrated, high-energy spectra for both bursts were fitted by single-power-law models having spectral indexes of 3.0 and 2.5 for GRB 920622 and GRB 940301, respectively.

Original languageEnglish
Pages (from-to)95-99
Number of pages5
JournalAstrophysical Journal
Volume453
Issue number1
DOIs
Publication statusPublished - 01-11-1995

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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