Turning Back the Clock: Inferring the History of the Eight O'clock Arc

We present the results from an optical and near-infrared spectroscopic study of the ultraviolet-luminous z = 2.73 galaxy, the 8 o'clock arc. Due to gravitational lensing, this galaxy is magnified by a factor of > 10, allowing in-depth measurements which are usually unfeasible at such redshif...

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Veröffentlicht in:	arXiv.org 2009-06
Hauptverfasser:	Finkelstein, Steven L, Papovich, Casey, Rudnick, Gregory, Egami, Eiichi, Emeric Le Floc'h, Rieke, Marcia J, Rigby, Jane, Willmer, Christopher N A
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models Cosmic dust Emission spectra Extinction Galaxies Gravitational lenses Infrared spectra Interstellar gas Interstellar matter Metallicity Near infrared radiation Outflow Photosphere Physics - Cosmology and Nongalactic Astrophysics Red shift Star & galaxy formation Star formation Stars & galaxies Stellar mass
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