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Deep Extragalactic VIsible Legacy Survey (DEVILS): Motivation, Design and Target Catalogue

Davies, LJM, Robotham, ASG, Driver, SP, Lagos, CP, Cortese, L, Mannering, E, Foster, C, Lidman, C, Hashemizadeh, A, Koushan, S, O'Toole, S, Baldry, IK, Bilicki, M, Bland-Hawthorn, J, Bremer, MN, Brown, MJI, Bryant, JJ, Catinella, B, Croom, SM, Grootes, MW , Holwerda, BW, Jarvis, MJ, Maddox, N, Meyer, M, Moffett, AJ, Phillipps, S, Taylor, EN, Windhorst, RA and Wolf, C (2018) Deep Extragalactic VIsible Legacy Survey (DEVILS): Motivation, Design and Target Catalogue. Monthly Notices of the Royal Astronomical Society. ISSN 0035-8711

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Abstract

The Deep Extragalactic VIsible Legacy Survey (DEVILS) is a large spectroscopic campaign at the Anglo-Australian Telescope (AAT) aimed at bridging the near and distant Universe by producing the highest completeness survey of galaxies and groups at intermediate redshifts ($0.3<z<1.0$). Our sample consists of $\sim$60,000 galaxies to Y$<$21.2mag, over $\sim$6deg$^{2}$ in three well-studied deep extragalactic fields (Cosmic Origins Survey field, COSMOS, Extended Chandra Deep Field South, ECDFS and the X-ray Multi-Mirror Mission Large-Scale Structure region, XMM-LSS - all Large Synoptic Survey Telescope deep-drill fields). This paper presents the broad experimental design of DEVILS. Our target sample has been selected from deep Visible and Infrared Survey Telescope for Astronomy (VISTA) Y-band imaging (VISTA Deep Extragalactic Observations, VIDEO and UltraVISTA), with photometry measured by ProFound. Photometric star/galaxy separation is done on the basis of NIR colours, and has been validated by visual inspection. To maximise our observing efficiency for faint targets we employ a redshift feedback strategy, which continually updates our target lists, feeding back the results from the previous night's observations. We also present an overview of the initial spectroscopic observations undertaken in late 2017 and early 2018.

Item Type: Article
Additional Information: This is a pre-copyedited, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The version of record is available online at: https://doi.org/10.1093/mnras/sty1553
Uncontrolled Keywords: 0201 Astronomical And Space Sciences
Subjects: Q Science > QB Astronomy
Divisions: Astrophysics Research Institute
Publisher: Oxford University Press
Related URLs:
Date Deposited: 10 Jul 2018 15:35
Last Modified: 10 Jul 2018 15:35
DOI or Identification number: 10.1093/mnras/sty1553
URI: http://researchonline.ljmu.ac.uk/id/eprint/8942

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