The GOGREEN and GCLASS Surveys: First Data Release
Abstract
We present the first public data release of the GOGREEN and GCLASS surveys of galaxies in dense environments, spanning a redshift range . The surveys consist of deep, multiwavelength photometry and extensive Gemini GMOS spectroscopy of galaxies in 26 overdense systems ranging in halo mass from small groups to the most massive clusters. The objective of both projects was primarily to understand how the evolution of galaxies is affected by their environment, and to determine the physical processes that lead to the quenching of star formation. There was an emphasis on obtaining unbiased spectroscopy over a wide stellar mass range (), throughout and beyond the cluster virialized regions. The final spectroscopic sample includes 2771 unique objects, of which 2257 have reliable spectroscopic redshifts. Of these, 1704 have redshifts in the range , and nearly 800 are confirmed cluster members. Imaging spans the full optical and near-infrared wavelength range, at depths comparable to the UltraVISTA survey, and includes \textit{HST}/WFC3 F160W (GOGREEN) and F140W (GCLASS). This data release includes fully reduced images and spectra, with catalogues of advanced data products including redshifts, line strengths, star formation rates, stellar masses and rest-frame colours. Here we present an overview of the data, including an analysis of the spectroscopic completeness and redshift quality.
Cite
@article{arxiv.2009.13345,
title = {The GOGREEN and GCLASS Surveys: First Data Release},
author = {Michael L. Balogh and Remco F. J. van der Burg and Adam Muzzin and Gregory Rudnick and Gillian Wilson and Kristi Webb and Andrea Biviano and Kevin Boak and Pierluigi Cerulo and Jeffrey Chan and M. C. Cooper and David G. Gilbank and Stephen Gwyn and Chris Lidman and Jasleen Matharu and Sean L. McGee and Lyndsay Old and Irene Pintos-Castro and Andrew M. M. Reeves and Heath Shipley and Benedetta Vulcani and Howard K. C. Yee and M. Victoria Alonso and Callum Bellhouse and Kevin C. Cooke and Anna Davidson. Gabriella De Lucia and Ricardo Demarco and Nicole Drakos and Sean P. Fillingham and Alexis Finoguenov and Ben Forrest and Caelan Golledge and Pascale Jablonka and Diego Lambas Garcia and Karen McNab and Hernan Muriel and Julie B. Nantais and Allison Noble and Laura C. Parker and Grayson Petter and Bianca M. Poggianti and Melinda Townsend and Carlos Valotto and Tracy Webb and Dennis Zaritsky},
journal= {arXiv preprint arXiv:2009.13345},
year = {2020}
}
Comments
Accepted for publication in MNRAS Sept 28, 2020