Trigger 549841: Swift detection of SGR1806-20. Burrows, D. N. ; Gehrels, N. ; Gronwall, C. ; Kennea, J. A. ; Lien, A. Y. ; Marshall, F. E. ; Palmer, D. M. ; Ukwatta, T. N. Abstract Publication: GRB Coordinates Network Pub Date: 2013 Bibcode: 2013GCN.14251....1B