GRB 170822A: Swift-XRT refined Analysis. Evans, P. A. ; D'Avanzo, P. ; D'Elia, V. ; Kennea, J. A. ; Sbarufatti, B. ; Burrows, D. N. ; Gibson, S. L. ; Osborne, J. P. ; Melandri, A. Abstract Publication: GRB Coordinates Network Pub Date: 2017 Bibcode: 2017GCN.21647....1E