Void structure in the Lyman alpha forest

Details Void structure in the Lyman alpha forest Void structure in the Lyman alpha forest

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...197l...3p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 197, no. 1-2, May 1988, p. L3-L6.

Astronomy and Astrophysics

Astrophysics

19

Cosmology, Galactic Evolution, Galactic Structure, Lyman Alpha Radiation, Red Shift, Voids, Astronomical Models, Universe

Scientific paper

A simulation of the basic large scale structure of the low-redshift universe shows that voids are less pronounced in the distribution of Ly-alpha absorbers at high redshifts than they are in the distribution of galaxies today. It is suggested that this difference could be due to either the different objects used (Ly-alpha absorbers vs galaxies) or the different redshifts involved. It is noted that the present Ly-alpha correlation may also be due to clusters superimposed on a random background, with no voids as such. Implications of the results for the evolution of large-scale structure in the universe are considered.

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