Swift detection of the burst GRB050509. Hurkett, C. ; Rol, E. ; Barbier, L. ; Barthelmy, S. ; Blustin, A. ; Burrows, D. ; Cummings, J. ; Gehrels, N. ; Kennea, J. ; Markwardt, C. Abstract Publication: GRB Coordinates Network Pub Date: 2005 Bibcode: 2005GCN..3379....1H