Robuta

https://test.gcn.nasa.gov/circulars/13970 GCN - Circulars - 13970 - GRB 121117A, Swift-BAT refined analysis gcn circulars grb swift bat https://test.gcn.nasa.gov/circulars/13972 GCN - Circulars - 13972 - GRB 121117A: Swift-XRT refined Analysis gcn circulars grb swift xrt https://gcn.nasa.gov/circulars/13978 GCN - Circulars - 13978 - GRB 121117A: optical upper limit gcn circulars grb optical upper