3 papers
astro-ph2003
Nitrogen Abundances in High-z DLAs
P. Molaro, M. Centurion, V. D'Odorico +1
Determination of chemical abundances for elements produced mainly by Type I SNae and intermediate mass stars in high redshift DLAs probes the early chemical build-up on time-scales…
astro-ph1997
Clustering of Absorbers
S. Cristiani, S. D'Odorico, V. D'Odorico +4
The observed clustering of Lyman- lines is reviewed and compared with the clustering of CIV systems. We argue that a continuity of properties exists between Lyman- and metal…
astro-ph1995
CLUSTERING PROPERTIES OF THE LY CLOUDS
S. Cristiani, S. D'Odorico, V. D'Odorico +3
The spectra of the QSOs PKS2126-158 () and Q0055-269 () have been observed at high resolution (). Significant clustering, with $ξ\s…