| Publication |
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||Early and Extended Helium Reionization over More Than 600 Million Years of Cosmic Time, Worseck, Gábor,Prochaska, J. Xavier,Hennawi, Joseph F., The Astrophysical Journal, 825, 2016-07-01 00:00:00, 2016ApJ...825..144W||Intergalactic HeII absorption towards QSO 1157+3143, Reimers, D.,Fechner, C.,Hagen, H.-J., Astronomy and Astrophysics, 442, 2005-10-01 00:00:00, 2005A&A...442...63R||Spectral shape of the UV ionizing background and He II absorption at redshifts 1.8 < z < 2.9, Agafonova, I. I.,Levshakov, S. A.,Reimers, D., Astronomy and Astrophysics, 461, 2007-01-01 00:00:00, 2007A&A...461..893A||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 End of Helium Reionization at z ~= 2.7 Inferred from Cosmic Variance in HST/COS He II Lyα Absorption Spectra, Worseck, Gábor,Prochaska, J. Xavier,McQuinn, Matthew, The Astrophysical Journal, 733, 2011-06-01 00:00:00, 2011ApJ...733L..24W||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 |
