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Dust and the Search for High Redshift Quasars

Webster, Rachel L.; Drinkwater, Michael J.; Francis, Paul; Masci, Frank J.; Peterson, Bruce A.


Quasars provide a unique probe of the matter distribution along high red-shift lines-of-sight, both through absorption line and gravitational lens studies. However if the selection of quasars is biased, then the related statistical descriptions of the matter distribution may also be biased. Recent work on a completely identified sample of radio sources shows that many quasars are significantly reddened. Arguments are presented which favour dust as the explanation of the reddening. Possible...[Show more]

CollectionsANU Research Publications
Date published: 1997
Type: Conference paper
Source: ESO Astrophysics Symposia
DOI: 10.1007/978-3-540-49709-7_41


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