Robuta

https://gcn.nasa.gov/circulars/20535 GCN - Circulars - 20535 - GRB 170126A: Swift-XRT refined Analysis gcn circulars grb swift xrt https://gcn.nasa.gov/circulars/events/grb-170126a GCN - Circulars - Events - GRB 170126A gcn circulars events grb