Dust and the Search for High Redshift Quasars
Date
1997
Authors
Webster, Rachel L.
Drinkwater, Michael J.
Francis, Paul
Masci, Frank J.
Peterson, Bruce A.
Journal Title
Journal ISSN
Volume Title
Publisher
Springer Verlag
Abstract
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 locations for the dust are explored, and the consequences of biased quasar selection briefly discussed.
Description
Keywords
Radio Source, Active Galactic Nucleus, Equivalent Width, Radio Galaxy, Host Galaxy
Citation
Collections
Source
ESO Astrophysics Symposia
Type
Conference paper
Book Title
The Early Universe with the VLT
Entity type
Access Statement
Open Access
License Rights
Restricted until
2037-12-31