The Metal-Strong Damped Lyman-alpha Systems

Stéphane Herbert-Fort, Jason X. Prochaska, Miroslava Dessauges-Zavadsky +4

We have identified a metal-strong (logN(Zn+) > 13.15 or logN(Si+) > 15.95) DLA (MSDLA) population from an automated quasar (QSO) absorber search in the Sloan Digital Sky Survey Dat…