Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...433l..77p&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 433, no. 2, p. L77-L80
Astronomy and Astrophysics
Astronomy
36
Gamma Ray Astronomy, Gamma Ray Bursts, Gamma Ray Spectra, Line Spectra, Astronomical Spectroscopy, Gamma Ray Observatory, Ginga Satellite, Spaceborne Astronomy
Scientific paper
Analysis of data from the Spectroscopy Detectors (SDs) of the Burst and Transient Source Experiment (BATSE) on the Compton Gamma Ray Observatory (GRO) has found no convincing line features in the spectra of gamma-ray bursts (GRBs) in almost 3 years of operation, in contrast to expectations based on results from other experiments. In this Letter we discuss the visual search for narrow lines in the SD data. The search has examined 192 bursts, of which approximately 18 were intense enough that lines similar to those seen by instruments on the Ginga satellite would have been visible between approximately 20 and approximately 100 keV. A simplified calculation shows that the BATSE and Ginga results are consistent at the 13% level.
Band David L.
Briggs Michael Stephen
Cline Thomas L.
Fishman Gerald J.
Ford Lyle A.
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