Space Densities and Emissivities of Active Galactic Nuclei at z > 4 - Giallongo, E.; Grazian, A.; Fiore, F.; Kodra, D.; Urrutia, T.; Castellano, M.; Cristiani, S.; Dickinson, M.; Fontana, A.; Menci, N.; Pentericci, L.; Boutsia, K.; et al. (The Astrophysical journal, 2019)
Keywords: Active galactic nuclei; Astrophysics; Black holes; dark ages, reionization, first stars; Emissivity; Galaxies; galaxies: active; Image detection; Intergalactic media; Ionization; Luminosity; Photoionization; Photometry; Polls & surveys; quasars: general; Red shift; Space density; Supermassive black holes