Robuta

https://gcn.nasa.gov/circulars/events/grb-160117b GCN - Circulars - Events - GRB 160117B gcn circulars events grb https://gcn.nasa.gov/circulars/18886 GCN - Circulars - 18886 - GRB 160117B: VLT/X-shooter spectroscopy gcn circulars grb vlt x https://test.gcn.nasa.gov/circulars/18884 GCN - Circulars - 18884 - GRB 160117B: NOT optical afterglow observations gcn circulars grb optical afterglow https://test.gcn.nasa.gov/circulars/18886 GCN - Circulars - 18886 - GRB 160117B: VLT/X-shooter spectroscopy gcn circulars grb vlt x https://test.gcn.nasa.gov/circulars/18915 GCN - Circulars - 18915 - GRB 160117B: TNG spectroscopy and redshift confirmation gcn circulars grb tng spectroscopy