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标题：The first GRB survey of the IBIS/PICsIT archive
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作者：V. Bianchin
期刊名称：PoS - Proceedings of Science
印刷版ISSN：1824-8039
出版年度：2011
卷号：2011
期号：Extremesky2011
出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：We investigate the capabilities offered to the study of GRBs by the IBIS/PICsIT (0.2-10 MeV) instrument on board the INTEGRAL satellite. We search for transient episodes in the PICsIT light curves archive covering the time period from May 2006 to August 2009, using stringent criteria optimized for the detection of long events. PICsIT successfully observes GRBs in the 260−2600 keV energy range, with incoming direction spread over half sky for the brightest events. We compile a list of 39 bursts, most being confirmed GRBs or simultaneous to triggers from other satellites/instruments. The good time resolution provided by PICsIT data allows us to produce light curves and hardness ratios in three energy bands. For all events we derived fluences and peak fluxes in instrumental units. Since an adequate response matrix is not yet available for the PICsIT burst sample, we obtain a calibration coefficient by comparing instrumental counts with physical fluences inferred from observations with different satellites.