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QSO Lyman limit absorption

Nature volume 298, pages 427–432 (1982)Cite this article

Abstract

The redshift distribution of QSO absorption systems which are optically thick in the Lyman continuum matches that of a non-evolving population of absorbers in a standard Friedmann cosmological model over the redshift range 0.4–3.5. The density of absorbers per unit velocity in the QSO rest frame is roughly constant for −0.01 ≲ v/c ≲ 0.2 and shows a rapid increase with QSO emission redshift, in accord with an ‘intervening’ origin for the absorbers but contrary to expectation were the material intrinsic to the QSOs.

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  1. Department of Physics and Astronomy, University College London, Gower Street, London, WC1E 6BT, UK

    David Tytler

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Tytler, D. QSO Lyman limit absorption. Nature 298, 427–432 (1982). https://doi.org/10.1038/298427a0

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