Broadband Spectral Properties of Bright High-Energy Gamma-Ray Bursts Observed with BATSE and EGRET

Y. Kaneko, M. M. Gonzalez, R. Preece +2

We present the spectral analysis of duration-integrated broadband spectra (in $\sim 30$keV$-200$MeV) of 15 bright BATSE gamma-ray bursts (GRBs). Some GRB spectra are very hard, wi…