GCN Circular 22275
Subject
GRB 171222A: Swift/UVOT Upper Limits
Date
2017-12-23T14:09:12Z (7 years ago)
From
Paul Kuin at MSSL <npkuin@gmail.com>
N. P. M. Kuin (UCL-MSSL) and J. L. Racusin (NASA/GSFC) report on
behalf of the Swift/UVOT team:
The Swift/UVOT began settled observations of the field of GRB 171222A
176 s after the BAT trigger (Racusin et al., GCN Circ. 22265). No
optical afterglow consistent with the enhanced XRT position (Osborne
et al. GCN Circ 22266