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The Mass and Extent of the Galactic Halo
Dennis Zaritsky
We review the various techniques used to constrain the Galactic halo mass profile for radii > 20 kpc with particular emphasis on identifying a self-consistent halo model and resolv…
Chemical Properties of Star-Forming Emission Line Galaxies at z=0.1 - 0.5
Henry A. Kobulnicky, Dennis Zaritsky
We measure oxygen and nitrogen abundances for 14 star-forming emission line galaxies (ELGs) at 0.11<z<0.5 using Keck/LRIS optical spectroscopy. The targets exhibit a range of metal…
The Luminosity Function of Galaxies in Compact Groups
Sally D. Hunsberger, Jane C. Charlton, Dennis Zaritsky
From R-band images of 39 Hickson compact groups (HCGs), we use galaxy counts to determine a luminosity function extending to M_R=-14.0, approximately two magnitudes deeper than pre…
A ``Short'' Distance to the Large Magellanic Cloud With the Hipparcos Calibrated Red Clump Stars
K. Z. Stanek, D. Zaritsky, J. Harris
Following an approach developed by Paczyński & Stanek, we derive a distance to the Large Magellanic Cloud (LMC) by comparing red clump stars from the Hipparcos catalog with the red…
A Direct Detection of Dust in the Outer Disks of Nearby Galaxies
Amy E. Nelson, Dennis Zaritsky, Roc M. Cutri
We measure the extent of 100 micron galactic emission in two independent galaxy samples using the IRAS 100 micron Sky Survey images and constrain the distribution of dust at large…