573 citations · 8k across the 106 of their papers we have counts for
Showing 2001Show all
2 papers · 1 filter
astro-ph2001★ 133 cited
The UCSD HIRES/KeckI Damped Lya Abundance Database: I. The Data
Jason X. Prochaska, Arthur M. Wolfe, David Tytler +6
We present new chemical abundance measurements of 16 damped Lya systems at z>1.5 and update our previous abundance analyses. The entire database presented here was derived from HIR…
astro-ph2001★ 19 cited
New HST spectra indicate the QSO PG1718+4807 will not give the primordial deuterium abundance
David Kirkman, David Tytler, John M. O'Meara +6
The z ~ 0.701 absorption system towards the QSO PG1718+4807 is the only example of a QSO absorption system which might have a deuterium/hydrogen ratio approximately ten times the v…