Worseck, Gábor https://orcid.org/0000-0003-0960-3580
Davies, Frederick B. https://orcid.org/0000-0003-0821-3644
Hennawi, Joseph F. https://orcid.org/0000-0002-7054-4332
Prochaska, J. Xavier https://orcid.org/0000-0002-7738-6875
Article Title: 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*
Journal Title: The Astrophysical Journal
Article Type: paper
Copyright Information: © 2019. The American Astronomical Society. All rights reserved.
Publication dates
Date Received: 2018-08-15
Date Accepted: 2019-03-05
Online publication date: 2019-04-22