GRB 100615A: Chandra X-ray ToO observation. Butler, N. R. ; Perley, D. A. ; Cenko, S. B. ; Bloom, J. S. ; Levan, A. J. ; Tanvir, N. R. Abstract Publication: GRB Coordinates Network Pub Date: 2010 Bibcode: 2010GCN.10915....1B