Robuta

https://test.gcn.nasa.gov/circulars/21473 GCN - Circulars - 21473 - GRB 170813A: Swift-BAT refined analysis gcn circulars grb swift bat https://gcn.nasa.gov/circulars/21472 GCN - Circulars - 21472 - GRB 170813A: RATIR Optical and NIR Observations gcn circulars grb optical nir https://gcn.nasa.gov/circulars/21470 GCN - Circulars - 21470 - GRB 170813A: Swift-XRT refined Analysis gcn circulars grb swift xrt