A Complete Census of Circumgalactic MgII at Redshift z<~ 0.5

Yun-Hsin Huang, Hsiao-Wen Chen, Stephen A. Shectman +5

We present a survey of MgII absorbing gas in the vicinity of 380 random galaxies, using 156 background quasi-stellar objects(QSOs) as absorption-line probes. The sample comprises 2…