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Star Clusters in M31: Old Clusters with Bar Kinematics
H. Morrison, N. Caldwell, R. Schiavon +3
We analyze our accurate kinematical data for the old clusters in the inner regions of M31. These velocities are based on high S/N Hectospec data (Caldwell et al 2010). The data are…
SEGUE-2 Limits on Metal-Rich Old-Population Hypervelocity Stars In the Galactic Halo
Juna A. Kollmeier, Andrew Gould, Constance Rockosi +7
We present new limits on the ejection of metal-rich old-population hypervelocity stars from the Galactic center (GC) as probed by the SEGUE-2 survey. Our limits are a factor of 3-1…
Diffuse Tidal Structures in the Halos of Virgo Ellipticals
Steven Janowiecki, J. Christopher Mihos, Paul Harding +3
We use deep V-band surface photometry of five of the brightest elliptical galaxies in the Virgo cluster to search for diffuse tidal streams, shells, and plumes in their outer halos…
Optical Colors of Intracluster Light in the Virgo Cluster Core
Craig S. Rudick, J. Christopher Mihos, Paul Harding +3
We continue our deep optical imaging survey of the Virgo cluster using the CWRU Burrell Schmidt telescope by presenting B-band surface photometry of the core of the Virgo cluster i…