148 citations · 238 across the 8 of their papers we have counts for
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Limits on Reddening and Gas-to-Dust Ratios for Seven Intermediate Redshift Damped Ly-alpha Absorbers from Diffuse Interstellar Bands
Brandon Lawton, Christopher W. Churchill, Brian A. York +5
We present equivalent width measurements and limits of six diffuse interstellar bands (DIBs) in seven damped Ly-alpha absorbers (DLAs) over the redshift range 0.091<z<0.524, sampli…
Searching for the Precursors of Life in External Galaxies
B. Lawton, C. W. Churchill, B. A. York +5
Are the organic molecules crucial for life on Earth abundant in early-epoch galaxies? To address this, we searched for organic molecules in extragalactic sources via their absorpti…
Connecting Galaxy Disk and Extended Halo Gas Kinematics
G. G. Kacprzak, C. W. Churchill, C. C. Steidel +3
We have explored the galaxy disk/extended halo gas kinematic relationship using rotation curves (Keck/ESI) of ten intermediate redshift galaxies which were selected by MgII halo ga…
Halo Gas Cross Sections And Covering Fractions of MgII Absorption Selected Galaxies
G. G. Kacprzak, C. W. Churchill, C. C. Steidel +1
We examine halo gas cross sections and covering fractions, f_c, of intermediate redshift MgII absorption selected galaxies. We computed statistical absorber halo radii, R_x, using…
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/…
Detection of Diffuse Interstellar Bands in the z=0.5 Damped Lyman alpha system towards AO 0235+164
Brian A. York, Sara L. Ellison, Brandon Lawton +4
We report the first detection of the 5705 and 5780 A Diffuse Interstellar Bands (DIBs) in a moderate redshift Damped Lyman alpha (DLA) system. We measure a rest frame equivalent wi…