Spectroscopy of GRB 050505 at z = 4.275: A log N(H I) = 22.1 DLA Host Galaxy and the Nature of the Progenitor

We present optical spectroscopy of the afterglow of GRB 050505 obtained with the Keck 110 m telescope. The spectrum exhibits three absorption systems with the highest, at z = 4.2748, arising in the host galaxy. The host absorption is marked by a DLA with log N(H super(I)) = 22.05 c0.10, higher than...

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Veröffentlicht in:	The Astrophysical journal 2006-05, Vol.642 (2), p.979-988
Hauptverfasser:	Berger, E, Penprase, B. E, Cenko, S. B, Kulkarni, S. R, Fox, D. B, Steidel, C. C, Reddy, N. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Earth, ocean, space Exact sciences and technology
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