Galaxy And Mass Assembly (GAMA): Curation and reanalysis of 16.6k redshifts in the G10/COSMOS region

Abstract

We discuss the construction of the Galaxy And Mass Assembly (GAMA) 10h region (G10) using publicly available data in the Cosmic Evolution Survey region (COSMOS) in order to extend the GAMA survey to z~1 in a single ~1 deg^2 field. In order to obtain the maximum number of high precision spectroscopic redshifts we re-reduce all archival zCOSMOS-bright data and use the GAMA automatic cross-correlation redshift fitting code autoz. We use all available redshift information (autoz, zCOSMOS-bright 10k, PRIMUS, VVDS, SDSS and photometric redshifts) to calculate robust best-fit redshifts for all galaxies and visually inspect all 1D and 2D spectra to obtain 16,583 robust redshifts in the full COSMOS region. We then define the G10 region to be the central ~1deg^2 of COSMOS, which has relatively high spectroscopic completeness, and encompasses the CHILES VLA region. We define a combined r < 23.0mag & i < 22.0mag G10 sample (selected to have the highest bijective overlap) with which to perform future analysis, containing 9,861 sources with reliable high precision VLT-VIMOS spectra. All tables, spectra and imaging are available at: http://ict.icrar.org/cutout/G10 .

16 pages, 15 figures, Accepted to MNRAS

References in corpus (11)

• The Cosmic Evolution Survey (COSMOS) -- Overview
• COSMOS Photometric Redshifts with 30-bands for 2-deg2
• zCOSMOS: A Large VLT/VIMOS redshift survey covering 0 < z < 3 in the COSMOS field
• UltraVISTA: a new ultra-deep near-infrared survey in COSMOS
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• Galaxy And Mass Assembly (GAMA): Galaxy close-pairs, mergers, and the future fate of stellar mass
• Galaxy And Mass Assembly (GAMA): autoz spectral redshift measurements, confidence and errors
• Galaxy And Mass Assembly (GAMA): Stellar mass functions by Hubble type
• The zCOSMOS 20k Group Catalog
• Galaxy And Mass Assembly (GAMA): In Search of Milky-Way Magellanic Cloud Analogues
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• KiDS-1000: Constraints on the intrinsic alignment of luminous red galaxies
• Data-driven, interpretable photometric redshifts trained on heterogeneous and unrepresentative data
• Large Scale Structure in CHILES
• SKYSURF: Constraints on Zodiacal Light and Extragalactic Background Light through Panchromatic HST All-Sky Surface-Brightness Measurements: I. Survey Overview and Methods
• Extragalactic Background Light: Inventory of light throughout the cosmic history
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• CHILES VERDES: Radio variability at an unprecedented depth and cadence in the COSMOS field
• Infrared luminosity functions and dust mass functions in the EAGLE simulation
• Galaxy And Mass Assembly: the evolution of the cosmic spectral energy distribution from z = 1 to z = 0
• The cosmic spectral energy distribution in the EAGLE simulation
• Evolution of the Stellar Mass Function and Infrared Luminosity Function of Galaxies since $z=1.2$
• Clustering of red-sequence galaxies in the fourth data release ofthe Kilo-Degree Survey
• Deep Extragalactic VIsible Legacy Survey (DEVILS): Stellar Mass Growth by Morphological Type since $z=1$
• Design for the First Narrowband Filter for the Dark Energy Camera: Optimizing the LAGER Survey for z ~ 7 Galaxies
• SEEDisCS I. Molecular gas in galaxy clusters and their large scale structure: the case of CL1411.1$-$1148 at $z\sim 0.5$
• The PAU Survey: Photometric redshift estimation in deep wide fields
• IllustrisTNG and S2COSMOS: possible conflicts in the evolution of neutral gas and dust
• Deep Extragalactic VIsible Legacy Survey (DEVILS): First Data Release Covering The D10 (COSMOS) Region
• The Evolution of the Luminosity Function for Luminous Compact Blue Galaxies to z=1
• The LEGA-C and SAMI Galaxy Surveys: Quiescent Stellar Populations and the Mass-Size Plane across 6 Gyr
• CHILES XII: The H I evolution of Luminous Compact Blue Galaxies between 0<z<0.48