2 papers
astro-ph2002
High Resolution Ultraviolet Quasar Absorption Line Spectroscopy of z~1 Galaxy Group
Jie Ding
We used ultraviolet spectra from HST/STIS (R=30,000), together with optical spectra from Keck/HIRES (R=45,000), to study the three MgII-selected absorption systems at z=0.9254, 0.9…
astro-ph2001
Phase Structure of Weak MgII Absorbers: Star Forming Pockets Outside of Galaxies
Jane C. Charlton, Christopher W. Churchill, Jie Ding +3
A new and mysterious class of object has been revealed by the detection of numerous weak MgII doublets in quasar absorption line spectra. The properties of these objects will be re…