Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011an....332..309p&link_type=abstract
Astronomische Nachrichten, Vol.332, Issue 3, p.309
Astronomy and Astrophysics
Astronomy
Cosmology: Observations, Galaxies: Evolution, Intergalactic Medium, Quasars: Absorption Lines
Scientific paper
I review here a few important questions that X-shooter can help tackle and answer in the field of quasar absorption lines. This includes (i) determine the ionizing background and the physical state of the inter-galactic medium (IGM) by analysing the characteristics of the Lyman-α forest and the proximity effect; (ii) investigate the metal content of the high redshift IGM; (iii) study the small scale transverse correlation in the IGM by observing pairs of quasars with small separation in the sky; (iv) study the galaxy-IGM relations by detecting the counterpart of damped Lyman-α systems (DLAs) or determining the correlation between the properties of galaxies and absorption lines; (v) detect and characterize the long-sought cold diffuse molecular (H_2 and CO) interstellar medium (ISM) of high redshift galaxies and study its dust content.
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