Abstract
It is shown that the number of redshift systems based on Civ doublets, proposed by Borosonet al. (1978) in the absorption spectrum of the quasar PKS 0237-23, is insignificantly different from that that would be expected from chance coincidences. Consequently, these systems and theirz-values appear to be devoid of any physical significance.
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Varshni, Y.P. Chance coincidences and the so-called redshift systems in the absorption spectrum of PKS 0237-23. Astrophys Space Sci 74, 3–10 (1981). https://doi.org/10.1007/BF00642076
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DOI: https://doi.org/10.1007/BF00642076