848 citations · 4.9k across the 70 of their papers we have counts for
Showing 1998Show all
2 papers · 1 filter
astro-ph1998
Terminal Velocity Infall in QSO Absorption Line Halos
Robert A. Benjamin
We explore the hypothesis that clouds detected in quasar absorption line systems are falling at a terminal velocity toward the center of high redshift gaseous galactic halos. Since…
astro-ph1998★ 276 cited
Improving Predictions for Helium Emission Lines
Robert A. Benjamin, Evan D. Skillman, Derck P. Smits
We have combined the detailed He I recombination model of Smits with the collisional transitions of Sawey & Berrington in order to produce new accurate helium emissivities that inc…