112 citations · 395 across the 8 of their papers we have counts for
8 papers
MgII Absorbers in High Resolution Quasar Spectra. I. Voigt Profile Models
Christopher W. Churchill, Jessica L. Evans, Bryson Stemock +3
We present the Voigt profile (VP) models, column densities, Doppler b parameters, kinematics, and distribution of components for 422 MgII absorbers found in a survey of 249 HIRES a…
MAGIICAT IV. Kinematics of the Circumgalactic Medium and Evidence for Quiescent Evolution Around Red Galaxies
Nikole M. Nielsen, Christopher W. Churchill, Glenn G. Kacprzak +2
The equivalent widths of MgII absorption in the circumgalactic medium (CGM) trace the global star formation rate up to , are larger for star-forming galaxies than passively-ev…
MAGIICAT V. Orientation of Outflows and Accretion Determine the Kinematics and Column Densities of the Circumgalactic Medium
Nikole M. Nielsen, Christopher W. Churchill, Glenn G. Kacprzak +2
We investigate the dependence of gas kinematics and column densities in the MgII-absorbing circumgalactic medium on galaxy color, azimuthal angle, and inclination to trace baryon c…
The Luminosity Function of Star Clusters in 20 Star-Forming Galaxies Based on Hubble Legacy Archive Photometry
Bradley C. Whitmore, Rupali Chandar, Ariel S. Bowers +5
Luminosity functions have been determined for star cluster populations in 20 nearby (4-30 Mpc), star-forming galaxies based on ACS source lists generated by the Hubble Legacy Archi…
The Redshift Distribution of Intervening Weak MgII Quasar Absorbers and a Curious Dependence on Quasar Luminosity
Jessica L. Evans, Christopher W. Churchill, Michael T. Murphy +2
We have identified 469 MgII doublet systems having W_r >= 0.02 Å in 252 Keck/HIRES and UVES/VLT quasar spectra over the redshift range 0.1 < z < 2.6. Using the largest sample yet o…
Morphological Properties of z~0.5 Absorption-Selected Galaxies: The Role of Galaxy Inclination
G. G. Kacprzak, C. W. Churchill, Jessica L. Evans +2
We have used GIM2D to quantify the morphological properties of 40 intermediate redshift MgII absorption-selected galaxies (0.03<Wr(2796)<2.9 Ang), imaged with WFPC-2/HST, and compa…
A Correlation Between Galaxy Morphology and MgII Halo Absorption Strength
Glenn G. Kacprzak, Christopher W. Churchill, Charles C. Steidel +2
(Abridged) We compared the quantified morphological properties of 37 intermediate redshift MgII absorption selected galaxies to the properties of the absorbing halo gas, observed i…
On the Heterogeneity of Metal-Line and Ly-Alpha Absorption in Galaxy "Halos" at z~0.7
Christopher W. Churchill, Glenn G. Kacprzak, Charles C. Steidel +1
We examine the properties of two galaxy "halos" at z ~ 0.7 in the TON 153 (z_em = 1.01) quasar field. The first absorber-galaxy pair (G1) is a z = 0.672, L_B = 4.3 L*_B, E/S0 galax…