Robuta

https://test.gcn.nasa.gov/circulars/31702 GCN - Circulars - 31702 - GRB 220306B: Fermi GBM observation gcn circulars grb fermi gbm https://test.gcn.nasa.gov/circulars/31697 GCN - Circulars - 31697 - GRB 220306B: Swift detection of a burst of a gcn circulars grb swift