Distant obscured quasars
<p>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 a...
Hlavní autoři: | , |
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Médium: | Diplomová práce |
Jazyk: | English |
Vydáno: |
2006
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