Swift observations on GRB 070219. Sakamoto, T. ; Barthelmy, S. D. ; Starling, R. L. C. ; Breeveld, A. ; Burrows, D. N. ; Roming, P. ; Gehrels, N. Abstract Publication: GCN Report Pub Date: 2007 Bibcode: 2007GCNR...33....1S