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astro-ph2002
Spectroscopy of Main Sequence Stars in Globular Clusters
Russell Cannon, Gary Da Costa, John Norris +2
Although globular clusters are generally chemically homogeneous, substantial abundance variations are sometimes seen even among unevolved main sequence stars, especially for the CN…
astro-ph2002
The M31 Dwarf Spheroidal Companion And V: g', r', and i' Imaging with GMOS on Gemini North
T. J. Davidge, G. S. Da Costa, I. Jorgensen +1
g', r', and i' images obtained with the Gemini Multi-Object Spectrograph (GMOS) on Gemini North are used to investigate the metallicity and stellar content of the M31 dwarf spheroi…