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Alan Stockton
University of Hawaii
 

"Massive Galaxies with Old Stellar Populations at High Redshifts  -  Part 2"
 

This is a follow-up to a talk given last October (see Abstract Part 1).  After a brief summary of that presentation, I will describe new developments in our program to identify and investigate luminous galaxies with old stellar populations in the fields of radio sources at high redshifts, emphasizing new deep Gemini N GMOS and NIRI photometry, Keck AO imaging, and Spitzer IRAC and MIPS data.  I will discuss both the robust results and some of the pitfalls of this sort of investigation.