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The Kinematic Evolution of Strong MgII Absorbers
Andrew C. Mshar, Jane C. Charlton, Ryan S. Lynch +2
We consider the evolution of strong (W_r(2796) > 0.3A) MgII absorbers, most of which are closely related to luminous galaxies. Using 20 high resolution quasar spectra from the VLT/…
Physical Properties of Weak MgII Absorbers at z~2
Ryan S. Lynch, Jane C. Charlton
We present the results of photoionization modeling of nine weak MgII (W_r<0.3 Ang) quasar absorption line systems with redshifts 1.4<z<2.4 obtained with the Ultraviolet and Visual…
The Nature of Weak MgII Absorbing Structures
Nikola Milutinovic, Jane R. Rigby, Joseph R. Masiero +3
We consider geometries and possible physical models for weak low ionization absorbers based on the relative incidence of low and high ionization absorption systems. We found a tota…
A survey of weak MgII absorbers at redshift <z>=1.78
Ryan S. Lynch, Jane C. Charlton, Tae-Sun Kim
The exact nature of weak MgII absorbers (those with W_r(2796) < 0.3 A) is a matter of debate, but most are likely related to areas of local star formation or supernovae activity ou…
A Survey of Analogs to Weak MgII Absorbers in the Present
Anand Narayanan, Jane C. Charlton, Joe R. Masiero +1
We present the results of a survey of the analogs of weak MgII absorbers (rest frame equivalent width W(2796) < 0.3 A) at 0 < z < 0.3. Our sample consisted of 25 HST/STIS echelle q…