COMPTEL Observation of GRB941017 with Distinct High-Energy Component

The joint spectral analysis of GRB941017 with BATSE and EGRET data revealed the existence of a distinct MeV spectral component that decayed slower than the lower energy component. The event was also observed with COMPTEL burst modules, which provides burst spectra in the energy range of 300 keV to 10 MeV. Due to the limited energy overlap between the BATSE Large Area Detector and the EGRET Total Absorption Shower Counter spectra, the relative normalization between the two instruments is poorly constrained. The COMPTEL spectra complement the energy ranges of the BATSE and EGRET data and are used herein to confirm and improve upon the previous analysis. Using the data from all three instruments, we present the result of joint spectral analysis for GRB941017. Including the COMPTEL data improved the statistics for the time interval in which the high energy component is more apparent.