What can BeppoSAX tell us about short GRBs: An update from the Subsecond GRB Project
G. Gandolfi, M. Feroci, E. Costa, L. Piro, M. J. S. Smith, J. M. Muller, A. Coletta, G. Celidonio, L. Di Ciolo, A. Paolino, G. Tarei, G. Tassone, F. Frontera
Abstract
We present some statistical considerations on the BeppoSAX hunt for subsecond GRBs at the Scientific Operation Center. Archive analysis of a BATSE/SAX sub-sample of bursts indicates that the GRB Monitor is sensitive to short (< 2 sec) events, that are in fact about 22% of the total. The non-detection of corresponding prompt X-ray counterparts to short bursts in the Wide Field Cameras, in about 3 years of operations, is discussed: with present data no implications on the X-to-gamma-ray spectra of short vs long GRBs may be inferred. Finally, the status of searching procedures at SOC is reviewed.
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