CIV QSO absorption systems (Petitjean+ 1994)

Details CIV QSO absorption systems (Petitjean+ 1994) CIV QSO absorption systems (Petitjean+ 1994)

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ycat..32830759p&link_type=abstract

VizieR On-line Data Catalog: J/A+A/283/759. Originally published in: 1994A&A...283..759P

Computer Science

Qsos, Spectroscopy, Redshifts

Scientific paper

High spectral resolution (FWHM = 0.6 or 0.35 Å) were obtained for six high redshift QSOs, zem > 2.2, containing lines from 31 metal-rich absorption line systems amongst which 20 Civ doublets split in subcomponents with velocity differences within a system smaller than 400 km.s-1. Our survey has been combined with published data at similar resolution and the resulting sample comprises 35 systems, 23 of which are splitted in a total of 87 subcomponents. The mean redshift of the sample is = 2.65. The observations were carried out at the F/8 Cassegrain focus of the 3.6m telescope at la Silla, between 1984 and 1989. (3 data files).

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