A statistical relation between the X-ray spectral index and Eddington ratio of active galactic nuclei in deep surveys

Brightman, M ; Silverman, J. D ; Mainieri, V ; Ueda, Y ; Schramm, M ; Matsuoka, K ; Nagao, T ; Steinhardt, C ; Kartaltepe, J ; Sanders, D. B ; Treister, E ; Shemmer, O ; Brandt, W. N ; Brusa, M ; Comastri, A ; Ho, L. C ; Lanzuisi, G ; Lusso, E ; Nandra, K ; Salvato, M ; Zamorani, G ; Akiyama, M ; Alexander, D. M ; Bongiorno, A ; Capak, P ; Civano, F ; Del Moro, A ; Doi, A ; Elvis, M ; Hasinger, G ; Laird, E. S ; Masters, D ; Mignoli, M ; Ohta, K ; Schawinski, K ; Taniguchi, Y

Monthly notices of the Royal Astronomical Society, 2013-08, Vol.433 (3), p.2485-2496 [Periódico revisado por pares]

London: Oxford University Press

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