GRB 190106A: Swift detection of a burst with an optical counterpart. Sonbas, E. ; Barthelmy, S. D. ; Beardmore, A. P. ; Burrows, D. N. ; Gronwall, C. ; Kuin, N. P. M. ; Lien, A. Y. ; Page, K. L. Abstract Publication: GRB Coordinates Network Pub Date: 2019 Bibcode: 2019GCN.23615....1S