GRB 170803A: Swift-XRT refined Analysis. Sbarufatti, B. ; Burrows, D. N. ; Osborne, J. P. ; Page, K. L. ; Mingo, B. ; Melandri, A. ; D'Avanzo, P. ; D'Elia, V. ; Cholden-Brown, A. ; Laporte, S. J. Abstract Publication: GRB Coordinates Network Pub Date: 2017 Bibcode: 2017GCN.21408....1S