Publication |
Characteristics of He II Proximity Profiles, Zheng, Wei,Syphers, David,Meiksin, Avery, The Astrophysical Journal, 806, 2015-06-01 00:00:00, 2015ApJ...806..142Z||Dating individual quasars with the He II proximity effect, Worseck, Gábor,Khrykin, Ilya S.,Hennawi, Joseph F., Monthly Notices of the Royal Astronomical Society, 505, 2021-08-01 00:00:00, 2021MNRAS.505.5084W||Development of Hydrogen and Helium Proximity Zones around Quasars, Zheng, Wei,Meiksin, Avery,Syphers, David, The Astrophysical Journal, 883, 2019-10-01 00:00:00, 2019ApJ...883..123Z||Evidence for short ∼ 1 Myr lifetimes from the He II proximity zones of z ∼ 4 quasars, Khrykin, Ilya S.,Hennawi, Joseph F.,Worseck, Gábor, Monthly Notices of the Royal Astronomical Society, 484, 2019-04-01 00:00:00, 2019MNRAS.484.3897K||Statistical Detection of the He II Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years, Schmidt, Tobias M.,Worseck, Gabor,Hennawi, Joseph F., The Astrophysical Journal, 847, 2017-09-01 00:00:00, 2017ApJ...847...81S||The Evolution of the He II-ionizing Background at Redshifts 2.3 < z < 3.8 Inferred from a Statistical Sample of 24 HST/COS He II Lyα Absorption Spectra, Worseck, Gábor,Davies, Frederick B.,Hennawi, Joseph F., The Astrophysical Journal, 875, 2019-04-01 00:00:00, 2019ApJ...875..111W||The Extremely Luminous Quasar Survey in the Sloan Digital Sky Survey Footprint. II. The North Galactic Cap Sample, Schindler, Jan-Torge,Fan, Xiaohui,McGreer, Ian D., The Astrophysical Journal, 863, 2018-08-01 00:00:00, 2018ApJ...863..144S||The first measurement of the quasar lifetime distribution, Khrykin, Ilya S.,Hennawi, Joseph F.,Worseck, Gábor, Monthly Notices of the Royal Astronomical Society, 505, 2021-07-01 00:00:00, 2021MNRAS.505..649K |