activity
20022019
most citedAn HST/COS Survey of the Low-Redshift IGM. I. Survey, Methodology, & Overall Results

187 citations · 681 across the 16 of their papers we have counts for

collaborators
Showing 2010Show all

1 paper · 1 filter

astro-ph.CO2010★ 22 cited

HST Spectral Observations near the He II Ly-alpha Break: Implications for He II Reionization

David Syphers, Scott F. Anderson, Wei Zheng +4

Quasars that allow the study of IGM He II are very rare, since they must be at high redshift along sightlines free of substantial hydrogen absorption, but recent work has dramatica…