112 citations · 315 across the 8 of their papers we have counts for
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Galaxy Morphology - Halo Gas Connections
Glenn G. Kacprzak, Christopher W. Churchill, Charles C. Steidel
We studied a sample of 38 intermediate redshift MgII absorption-selected galaxies using (1) Keck/HIRES and VLT/UVES quasar spectra to measure the halo gas kinematics from MgII abso…
On the Origin of Intrinsic Narrow Absorption Lines in z<1 QSOs
Rajib Ganguly, Nicholas A. Bond, Jane C. Charlton +3
We present a statistical analysis of the associated, high ionization narrow absorption line (NAL) systems in a sample of 59 QSOs defined from the HST QSO Absorption Line Key Projec…
Using weak MgII lines to chart Low Surface Brightness Galaxies
V. Le Brun, C. W. Churchill
We report the detection, based on HST and Keck data, of two peculiar absorbers in the Ly-alpha forest of the quasar PKS 0454+039. These clouds, at redshifts z=0.6248 and 0.9315 res…
The Multiple Phases of Interstellar and Halo Gas in a Possible Group of Galaxies at z~1
Christopher W. Churchill, Jane C. Charlton
We used HIRES/Keck profiles (R=6 km/s) of MgII and FeII in combination with FOS/HST spectra (R=230 km/s) to place constraints on the physical conditions (metallicities, ionization…
Chromospheric Ca II H and K Emission Among Subdwarfs
Graeme H. Smith, Christopher W. Churchill
Echelle spectra have been obtained of the Ca II H and K lines for a sample of metal-poor subdwarf stars as well as for a number of nearby Population I dwarfs selected from among th…