Keck/Deimos Spectroscopy of Distant M31 fields with Deep HST Imaging

Details Keck/Deimos Spectroscopy of Distant M31 fields with Deep HST Imaging Keck/Deimos Spectroscopy of Distant M31 fields with Deep HST Imaging

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20917708r&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #177.08; Bulletin of the American Astronomical Society,

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We are undertaking a program to obtain the radial velocities and abundances of red giants in the vicinity of M31 fields with deep HST imaging. Our goal is to obtain complementary spectroscopy for fields at 22 and 35 kpc on the minor axis, where the M31 halo may be in a transition in metallicity and surface brightness from relatively metal rich and intermediate age, to metal poor and old. We will describe existing deep M31 fields with Keck spectroscopy and HST imaging and compare our findings with observations in other M31 deep fields.

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