Early Galaxy Evolution: Report on UVES Studies of a New Class of Quasar Absorbers

Details Early Galaxy Evolution: Report on UVES Studies of a New Class of Quasar Absorbers Early Galaxy Evolution: Report on UVES Studies of a New Class of Quasar Absorbers

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005msngr.121...29p&link_type=abstract

The Messenger (ISSN0722-6691), No.121, p. 29-31 (September 2005)

Physics

Scientific paper

Distant galaxies can be studied using the imprints that their gaseous structures leave in the spectrum of a background quasar. These 'quasar absorbers' provide a measure of both the neutral gas and metallicity content of the Universe back to early cosmic times. A newly defined class of quasar absorbers, the sub-Damped Lyman-alpha Systems, have been studied for the first time using both the ESO archives and new UVES/VLT data. This review presents results from four years of research on these systems and emphasizes the scientific role played by the ever-growing ESO science archive.

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