GRB 050724: secure host redshift from Keck. Prochaska, J. X. ; Bloom, J. S. ; Chen, H. -W. ; Hansen, B. ; Kalirai, J. ; Rich, M. ; Richer, H. Abstract Publication: GRB Coordinates Network Pub Date: 2005 Bibcode: 2005GCN..3700....1P