Robuta

https://test.gcn.nasa.gov/circulars/5577 GCN - Circulars - 5577 - GRB060919: XRT refined analysis gcn circulars xrt refined analysis https://gcn.nasa.gov/circulars/5577 GCN - Circulars - 5577 - GRB060919: XRT refined analysis gcn circulars xrt refined analysis