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Population Synthesis Models for Late Build-Up of the Red Sequence
Justin J. Harker, Ricardo P. Schiavon, Benjamin J. Weiner +1
We present population synthesis models designed to represent the star formation histories of L* red sequence galaxies (RSGs). Earlier work has shown that single-burst stellar popul…
Metallicity Gradient And The Hybrid Formation Scenario For Early-Type Galaxies
Ricardo L. C. Ogando, Marcio A. G. Maia, Cristina Chiappini +3
We present radial gradients of the Lick index Mg2 for 40 early-type galaxies. In plots of Grad(Mg2) versus mass indicators, such as log(sigma), the lower boundary of the points dis…
The DEEP2 Galaxy Redshift Survey: Mean Ages and Metallicities of Red Field Galaxies at z ~ 0.9 from Stacked Keck/DEIMOS Spectra
Ricardo P. Schiavon, S. M. Faber, Nicholas Konidaris +10
As part of the DEEP2 galaxy redshift survey, we analyze absorption line strengths in stacked Keck/DEIMOS spectra of red field galaxies with weak to no emission lines, at redshifts…