Abstract

The COMPTEL observation of the γ-ray burst GRB 910601 has been reanalyzed using a direct demodulation method. The imaging result indicates that the location of GRB 910601 is closer to the annulus obtained by the Ulysses-BATSE system than that with the maximum-likelihood method. This confirms the feasibility of processing γ-ray bursts, a kind of transient source with good signal-to-noise ratio but poor statistics, with a direct demodulation method. The precision of locating γ-ray bursts by imaging can also be improved using this method.

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