Thesis
Distant obscured quasars
- Abstract:
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This thesis presents a study of high-redshift obscured (type-2) quasars, selected at mid-infrared and radio wavelengths. This population had remained elusive, even to hard X-ray surveys, and in Chapter 2 I compare the selection of type-2 quasars in X-ray and mid-infrared surveys, as well as explaining the criteria I will use to search for these objects at z ~ 2, around the peak in the unobscured (type-1) quasar activity.
Chapter 3, presents a sample of radio-intermediate type-2 qua...
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Bibliographic Details
- Publication date:
- 2006
- Type of award:
- DPhil
- Level of award:
- Doctoral
- Awarding institution:
- University of Oxford
Item Description
- Language:
- English
- Subjects:
- UUID:
-
uuid:a764a410-4464-4b92-831d-34e8a383d78f
- Local pid:
- td:602830779
- Source identifiers:
-
602830779
- Deposit date:
- 2013-01-18
Terms of use
- Copyright holder:
- Martinez-Sansigre, Alejo
- Copyright date:
- 2006
- Notes:
- The digital copy of this thesis has been made available thanks to the generosity of Dr Leonard Polonsky
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