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E. Berger (Carnegie) reports:
"Spectroscopic observations of the afterglow (GCN 5956) of GRB 061222b
(GCN 5957) with LDSS3 on Magellan reveal a strong continuum break at about
5340A corresponding to Ly-alpha at z~3.4."
A service of the Astrophysics Science Division at NASA Goddard Space Flight Center