Gemini Observations of Galaxies in Rich Early Environments (GOGREEN) I: Survey Description

Michael L. Balogh, David G. Gilbank, Adam Muzzin, Gregory Rudnick, Chris Lidman, Andrea Biviano, Ricardo Demarco, Sean L. McGee, Julie B. Nantais, Allison Noble, Lyndsay Old, Gillian Wilson, Howard K. C. Yee, Callum Bellhouse, Pierluigi Cerulo, Jeffrey Chan, Irene Pintos-Castro, Rane Simpson, Remco F. J. van der Burg, Dennis ZaritskyFelicia Ziparo, M. Victoria Alonso, Richard G. Bower, Gabriella De Lucia, Alexis Finoguenov, Diego Garcia Lambas, Hernan Muriel, Laura C. Parker, Alessandro Rettura, Carlos Valotto, Andrew Wetzel

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Abstract

We describe a new Large Program in progress on the Gemini North and South telescopes: Gemini Observations of Galaxies in Rich Early Environments (GOGREEN). This is an imaging and deep spectroscopic survey of 21 galaxy systems at $1z 10$ in halo mass. The scientific objectives include measuring the role of environment in the evolution of low-mass galaxies, and measuring the dynamics and stellar contents of their host haloes. The targets are selected from the SpARCS, SPT, COSMOS and SXDS surveys, to be the evolutionary counterparts of today's clusters and groups. The new red-sensitive Hamamatsu detectors on GMOS, coupled with the nod-and-shuffle sky subtraction, allow simultaneous wavelength coverage over $\lambda\sim 0.6$--$1.05\mu$m, and this enables a homogeneous and statistically complete redshift survey of galaxies of all types. The spectroscopic sample targets galaxies with AB magnitudes $z^{\prime}[3.6]$\mu$m$
Original languageEnglish
JournalRoyal Astronomical Society. Monthly Notices
Volume470
Issue number4
Early online date3 Jun 2017
DOIs
Publication statusE-pub ahead of print - 3 Jun 2017

Keywords

  • general – galaxies
  • evolution
  • galaxies
  • clusters

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