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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-ph1997
The UV Background and the Lyman alpha Clouds at High Redshift
E. Giallongo, S. Cristiani, S. D'Odorico +2
The estimate of the ionizing UV background through the proximity effect analysis is discussed. Taking into account the correct bending of the column density distribution which appe…