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The Colors of Central and Satellite Galaxies in zCOSMOS out to z ~ 0.8 and Implications for Quenching
C. Knobel, S. J. Lilly, K. Kovac +47
We examine the red fraction of central and satellite galaxies in the large zCOSMOS group catalog out to z ~ 0.8 correcting for both the incompleteness in stellar mass and for the l…
A Strongly-Lensed Massive Ultra-Compact Quiescent Galaxy at z ~ 2.4 in the COSMOS/UltraVISTA Field
Adam Muzzin, Ivo Labbe, Marijn Franx +14
We report the discovery of a massive ultra-compact quiescent galaxy that has been strongly-lensed into multiple images by a foreground galaxy at z = 0.960. This system was serendip…
Proto-groups at 1.8<z<3 in the zCOSMOS-deep sample
C. Diener, S. J. Lilly, C. Knobel +48
We identify 42 candidate groups lying between 1.8<z<3.0 from a sample of 3502 galaxies with spectroscopic redshifts in the zCOSMOS-deep redshift survey within the same redshift int…
The cosmic evolution of oxygen and nitrogen abundances in star-forming galaxies over the past 10 Gyrs
E. Perez-Montero, T. Contini, F. Lamareille +35
The chemical evolution of galaxies on a cosmological timescale is still a matter of debate despite the increasing number of available data provided by spectroscopic surveys of star…
MOONS: a Multi-Object Optical and Near-infrared Spectrograph for the VLT
M. Cirasuolo, J. Afonso, R. Bender +77
MOONS is a new conceptual design for a Multi-Object Optical and Near-infrared Spectrograph for the Very Large Telescope (VLT), selected by ESO for a Phase A study. The baseline des…
A group-galaxy cross-correlation function analysis in zCOSMOS
C. Knobel, S. J. Lilly, C. M. Carollo +46
We present a group-galaxy cross-correlation analysis using a group catalog produced from the 16,500 spectra from the optical zCOSMOS galaxy survey. Our aim is to perform a consiste…