Deep Extragalactic VIsible Legacy Survey (DEVILS): First Data Release Covering The D10 (COSMOS) Region
L. J. M. Davies, M. Bravo, R. H. W. Cook, A. Hashemizadeh, J. E. Thorne, S. Bellstedt, S. P. Driver, A. S. G. Robotham, S. Koushan, N. Adams, S. Huynh, E. J. A. Mannering, J. Tocknell, M. J. I. Brown, J. Bland-Hawthorn, L. Cortese, B. Catinella, M. Meyer, S. Phillipps, M. Siudek

TL;DR
DEVILS is a deep, multi-wavelength spectroscopic survey that significantly enhances redshift data quality and completeness in the COSMOS field, enabling detailed studies of galaxy evolution and environmental effects.
Contribution
This paper presents the first data release of DEVILS, providing high-quality spectroscopic redshifts and multi-wavelength data for the COSMOS region, improving redshift completeness and enabling new scientific analyses.
Findings
Increased spectroscopic redshift completeness to 90% for faint sources.
Discovered 5,442 new high-quality redshifts in the COSMOS field.
Demonstrated environmental quenching effects on star formation.
Abstract
The Deep Extragalactic VIsible Legacy Survey (DEVILS) is a deep, high-completeness multi-wavelength survey based around spectroscopic observations using the Anglo-Australian Telescope's AAOmega spectrograph. The survey covers deg over three extragalactic fields to Ymag and probes sources at , with a median redshift of . Here we describe the DEVILS spectroscopic observations, data reduction and redshift analysis. We then describe and release to the community all DEVILS data in the 10h (D10, COSMOS) region including: i) catalogues of redshifts, photometry, SED fitting for physical properties, visual morphologies, structural decompositions and group environments/halo masses, ii) matched imaging in 28 bands from x-rays to radio continuum, and iii) reduced 1D spectra. All data are made publicly available through Data Central. Within D10 we obtain…
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Taxonomy
TopicsAstronomy and Astrophysical Research · Galaxies: Formation, Evolution, Phenomena · Gamma-ray bursts and supernovae
