The Nature of Metal-Line Absorbers, 0.2 < Z < 1.6

Details The Nature of Metal-Line Absorbers, 0.2 < Z < 1.6 The Nature of Metal-Line Absorbers, 0.2 < Z < 1.6

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...186.2509d&link_type=abstract

American Astronomical Society, 186th AAS Meeting, #25.09; Bulletin of the American Astronomical Society, Vol. 27, p.849

Astronomy and Astrophysics

Astronomy

2

Scientific paper

The selection and identification of galaxies using metal--line absorption in QSO spectra has progressed from a subfield of QSO research to a powerful technique for studying galaxies in the high redshift universe. We present results from a complete survey of these systems at z < 1, and preliminary results from a new survey covering 1 < z < 1.6. Galaxies selected in this manner appear to be remarkably ``normal'' and exhibit little or no evolution in their photometric properties and space densities out to at least z=1 and perhaps beyond. New HST\ images extend this conclusion to the galaxy morphologies as well. We discuss the implications of these results both for the nature of metal--line QSO absorption systems per se, and for the evolution of field galaxies in general.

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