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The Distribution of AGN Covering Factors | | Andy Lawrence
; Isaac Roseboom
; Jack Mayo
; Martin Elvis
; Yue Shen
; Heng Hao
; Sara Petty
; | | Date: |
1 Mar 2013 | | Abstract: | We review our knowledge of the most basic properties of the AGN obscuring
region - its location, scale, symmetry, and mean covering factor - and discuss
new evidence on the distribution of covering factors in a sample of ~9000
quasars with WISE, UKIDSS, and SDSS photometry. The obscuring regions of AGN
may be in some ways more complex than we thought - multi-scale, not symmetric,
chaotic - and in some ways simpler - with no dependence on luminosity, and a
covering factor distribution that may be determined by the simplest of
considerations - e.g. random misalignments. | | Source: | arXiv, 1303.0219 | | Services: | Forum | Review | PDF | Favorites | |
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