Swift Observation of GRB 090123. Grupe, D. ; Marshall, F. E. ; Ukwatta, T. N. ; Sakamoto, T. ; Palmer, D. M. ; Barthelmy, S. D. ; Burrows, D. N. ; Roming, P. ; Gehrels, N. Abstract Publication: GCN Report Pub Date: 2009 Bibcode: 2009GCNR..194....1G