The contribution of faint AGNs to the ionizing background at z ~ 4

A. Grazian; E. Giallongo; K. Boutsia; S. Cristiani; E. Vanzella; C. Scarlata; P. Santini; L. Pentericci; E. Merlin; N. Menci; F. Fontanot; A. Fontana; F. Fiore; F. Civano; M. Castellano; M. Brusa; A. Bonchi; R. Carini; F. Cusano; M. Faccini; B. Garilli; A. Marchetti; A. Rossi; R. Speziali

doi:10.1051/0004-6361/201732385

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Volume 613 (May 2018)

A&A, 613 (2018) A44

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Fig. 9

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Bottom: UV/optical spectrum of the AGN SDSS36 observed by MODS1-2 at LBT. Top: a zoom of the blue side of the spectrum for AGN SDSS36. The red horizontal lines mark the zero level for the flux F_λ, in arbitrary units. The LyC region (at λ ≤ 912 Å rest frame) has been highlighted in blue. The associated RMS is shown by the green spectrum. The scientific data have been smoothed by a boxcar filter of 5 pixels.

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