Robuta

https://gcn.nasa.gov/circulars/42096 GCN - Circulars - 42096 - GRB 251003A: Swift-XRT refined Analysis gcn circulars grb swift xrt https://gcn.nasa.gov/circulars/42086 GCN - Circulars - 42086 - GRB 251003A: GTC/OSIRIS+ spectroscopic redshift z = 4.412