EVIDENCE FOR COLD ACCRETION: PRIMITIVE GAS FLOWING ONTO A GALAXY AT z ~ 0.274

We present UV and optical observations from the Cosmic Origins Spectrograph on the Hubble Space Telescope and Keck of a z = 0.27395 Lyman limit system (LLS) seen in absorption against the QSO PG1630+377. We detect H I absorption with log N(H I) = 17.06 ? 0.05 as well as Mg II, C III, Si III, and O V...

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Veröffentlicht in:	The Astrophysical journal 2011-12, Vol.743 (2), p.207-jQuery1323900673286='48'
Hauptverfasser:	RIBAUDO, Joseph, LEHNER, Nicolas, CHRISTOPHER HOWK, J, WERK, Jessica K, TRIPP, Todd M, XAVIER PROCHASKA, J, MEIRING, Joseph D, TUMLINSON, Jason
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION Astronomy ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Earth, ocean, space Exact sciences and technology GALACTIC EVOLUTION GALAXIES PHOTOIONIZATION QUASARS RED SHIFT SIMULATION SPECTROSCOPY STARS TELESCOPES
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