Robuta

https://test.gcn.nasa.gov/circulars/22829 GCN - Circulars - 22829 - GRB 180623A: Enhanced Swift-XRT position gcn circulars grb enhanced swift https://gcn.nasa.gov/circulars/22834 GCN - Circulars - 22834 - GRB 180623A: retraction of the Swift/UVOT Detection of the gcn circulars grb