Updated: 14 March 2016

Go directly to individual surveys:

• Hubble Space Telescope (HST):
• The Last Eight-Billion Years of C IV Evolution
  Cooksey et al. 2010, ApJ, 708, 868
• The Last Eight-Billion Years of Si IV Evolution
  Cooksey et al. 2011, ApJ, 729, 87
• Precious Metals in SDSS Quasar Spectra:
• Paper I: Tracking the Evolution of Strong, 1.5 < z < 4.5 C IV Absorbers with Thousands of Systems
  Cooksey et al. 2013, ApJ, 763, 37
  Notice: 14 March 2016—Updated catalog available.
• Paper II: Tracking the Evolution of Strong, 0.4 < z < 2.3 Mg II Absorbers with Thousands of Systems
  Seyffert et al. 2013, apJ, 779, 161
• Paper III: stay tuned!

igmabsorbers.info is funded by the National Science Foundation Astronomy & Astrophysics Postdoctoral Fellowship (AST-1003139).