Showing astro-phShow all
3 papers · 1 filter
astro-ph2008
Growth and Destruction of Disks: Combined HI and HII View
Matthew Bershady, Marc Verheijen, Steven Crawford
How large disk galaxies have evolved in, and out of, the blue cloud of actively star-forming galaxies as a function of environment and time is an outstanding question. Some of the…
astro-ph2005
Luminous Compact Blue Galaxies in Intermediate Redshift Galaxy Clusters: A Significant But Extreme Butcher-Oemler Population
S. M. Crawford, M. A. Bershady, A. D. Glenn +1
We identify a population of Luminous Compact Blue Galaxies (LCBGs) in two galaxy clusters: MS0451.6-0305 (z=0.54) and Cl1604+4304 (z=0.9). LCBGs are identified via photometric char…
astro-ph2004
SparsePak: A Formatted Fiber Field-Unit for The WIYN Telescope Bench Spectrograph. II. On-Sky Performance
Matthew A. Bershady, David R. Andersen, Marc A. W. Verheijen +3
We present a performance analysis of SparsePak and the WIYN Bench Spectrograph for precision studies of stellar and ionized gas kinematics of external galaxies. We focus on spectro…