ANALYSIS OF COMPTEL GAMMA-RAY BURST LOCATIONS AND SPECTRA

            R.M. Kippen, J. Ryan, A. Connors, M. McConnell
                    (University of New Hampshire)
                      C. Winkler, L.O. Hanlon
                   (Astrophysics Division, ESTEC)
        V. Sch\"onfelder, J. Greiner, M. Varendorff, W. Collmar
         (Max-Planck Institut f\"ur Extraterrestrische Physik)
                      W. Hermsen and L. Kuiper
                          (SRON-Utrecht)

     In its first three years of operation, the COMPTEL instrument on the 
Compton Gamma-Ray Observatory has measured the locations (mean accuracy 
$\sim$1$\deg$) and spectra (0.75 - 30 MeV) of 18 gamma-ray bursts and 
continues to observe new events at a rate of $\sim$1/month.  With good 
angular resolution and sensitivity at MeV energies, the growing COMPTEL
burst catalog is an important new piece of evidence in the on-going GRB 
mystery.  The COMPTEL burst locations are consistent with an isotropic
distribution of sources, yet the spatial coincidence of two of the bursts
indicates the possibility of repetition.  The COMPTEL burst spectra are in
most cases consistent with a single power law model with spectral index
in the range 2-3.  However, two bursts show evidence of a spectral break
in the MeV range.  Measurement of rapid variability at MeV energies in 
the stronger bursts provides evidence that either the sources are nearby 
(within the Galaxy) or the gamma-ray emission is relativistically beamed.  
We present an overview of analysis results obtained from the COMPTEL burst 
catalog concentrating on the search for burst repetition and the 
implications of highly variable MeV emission.


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