Constraining the Evolution of the Ionizing Background and the Epoch of Reionization with<i>z</i> ~ 6 Quasars. II. A Sample of 19 QuasarsXiaohui Fan, M. Fukugita, Gordon T. Richards et al.|The Astronomical Journal|2006Cited by 1.4k
A Survey of [CLC][ITAL]z[/ITAL][/CLC] > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at [CLC][ITAL]z[/ITAL][/CLC] ∼ 6Xiaohui Fan, Donald G. York, Vijay K. Narayanan et al.|The Astronomical Journal|2001Cited by 962
Evidence for Reionization at [ITAL][CLC]z[/CLC][/ITAL] ∼ 6: Detection of a Gunn-Peterson Trough in a [ITAL][CLC]z[/CLC][/ITAL] = 6.28 QuasarR. H. Becker, Donald G. York, Xiaohui Fan et al.|The Astronomical Journal|2001Cited by 941