Robuta

https://test.gcn.nasa.gov/circulars/22253 GCN - Circulars - 22253 - GRB 171212A/Swift J1935.7+2036: Swift-BAT refined analysis https://test.gcn.nasa.gov/circulars/22245 GCN - Circulars - 22245 - GRB 171212A: Enhanced Swift-XRT position gcn circulars grb enhanced swift