Robuta

https://test.gcn.nasa.gov/circulars/31244 GCN - Circulars - 31244 - GRB 211216B: Fermi GBM Final Real-time Localization real time gcn circulars grb https://test.gcn.nasa.gov/circulars/31247 GCN - Circulars - 31247 - Fermi GRB 211216B: Global MASTER-Net observations report global master gcn circulars fermi grb https://gcn.nasa.gov/circulars/events/icecube-211216b GCN - Circulars - Events - IceCube-211216B gcn circulars events icecube