Robuta

https://gcn.nasa.gov/circulars/21841?query=170906A GCN - Circulars - 21841 - GRB 170906B: Swift-BAT refined analysis gcn circulars grb swift bat https://gcn.nasa.gov/circulars/21845 GCN - Circulars - 21845 - GRB 170906B: Swift-XRT refined Analysis gcn circulars grb swift xrt https://gcn.nasa.gov/circulars/events/grb-170906b GCN - Circulars - Events - GRB 170906B gcn circulars events grb