The distribution of QSO absorption lines and its implications

Details The distribution of QSO absorption lines and its implications The distribution of QSO absorption lines and its implications

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.149..293f&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 149, no. 2, Nov. 1988, p. 293-299.

Astronomy and Astrophysics

Astrophysics

1

Absorption Spectra, Line Spectra, Quasars, String Theory, Cosmology, Lyman Alpha Radiation

Scientific paper

The distribution of Lα absorption lines has been investigated in the fractal scheme. It is found that (1) the Lα absorption clouds distribute completely different from that of galaxies; (2) the Lα absorption clouds are anti-associated with galaxies and quasars. These results may imply that there are two kinds of objects formed by different processes of clustering. This is favourable for the cosmic-string theory on the formation of large-scale structure of the Universe. In the string model, the objects can be divided into two kinds according to their clustering with or without string loops as their initial density perturbation.

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