SN/GRB connection: a statistical approach with BATSE and Asiago Catalogues
S. Valenti, E. Cappellaro, M. Della Valle, F. Frontera, C. Guidorzi, E. Montanari
Abstract
Recent observations suggest that some types of GRB are physically connected with SNe of type Ib/c. However, it has been pointed out by several authors that some GRBs could be associated also with other types of core-collapse SNe (type IIdw/IIn). On the basis of a comphrensive statistical study, which has made use of the BATSE and Asiago catalogues, we have found that: i) the temporal and spacial distribution of SNe-Ib/c is marginally correlated with that of the BATSE GRBs; ii) we do not confirm the existence of an association between GRBs and SNe-IIdw/IIn.
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