The Dark Energy Survey: Data Release 1

By T. Abbott, Filipe B. Abdalla, Sahar Allam, Adam Amara, James Annis, J. Asorey, S. Ávila, O. Ballester, M. Banerji, W. Barkhouse and 192 more. Astrophysical Journal Supplement Series, 2018

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We describe the first public data release of the Dark Energy Survey, DES DR1, consisting of reduced single-epoch images, co-added images, co-added source catalogs, and associated products and services assembled over the first 3 yr of DES science operations. DES DR1 is based on optical/near-infrared imaging from 345 distinct nights (2013 August to 2016 February) by the Dark Energy Camera mounted on the 4 m Blanco telescope at the Cerro Tololo Inter-American Observatory in Chile. We release data from the DES wide-area survey covering ∼5000 deg2 of the southern Galactic cap in five broad photometric bands, grizY. DES DR1 has a median delivered point-spread function of , r = 0.96, i = 0.88, z = 0.84, and Y = 0.″90 FWHM, a photometric precision of <1% in all bands, and an astrometric precision of 151 . The median co-added catalog depth for a 1.″95 diameter aperture at signal-to-noise ratio (S/N) = 10 is g = 24.33, r = 24.08, i = 23.44, z = 22.69, and Y = 21.44 . DES DR1 includes nearly 400 million distinct astronomical objects detected in ∼10,000 co-add tiles of size 0.534 deg2 produced from ∼39,000 individual exposures. Benchmark galaxy and stellar samples contain ∼310 million and ∼80 million objects, respectively, following a basic object quality selection. These data are accessible through a range of interfaces, including query web clients, image cutout servers, jupyter notebooks, and an interactive co-add image visualization tool. DES DR1 constitutes the largest photometric data set to date at the achieved depth and photometric precision.

Subfields: Astronomy and Astrophysics, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/5238315f8c9b3004fe3bf6d88e24517a5b6e9192

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Citations in the corpus

First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters (2018, background): “Ten 2.7 deg2 fields were observed approximately once per week in the griz filter bands (Abbott et al. 2018).”
The Atacama Cosmology Telescope: A Catalog of >4000 Sunyaev–Zel’dovich Galaxy Clusters (2020, methodology): “The DES data used in this work come from the first three years of observations (referred to throughout this paper as “DES Y3”), for which the imaging and photometric catalogs are publicly available as DES DR1104 (Abbott et al. 2018).”
Euclid preparation (2021, methodology): “…performance when combining Euclid with a 1 Horizon-AGN photometric catalogues and SEDs can be downloaded from https://www.horizon-simulation.org/data.html A117, page 3 of 21 considerably shallower photometric dataset, we combined our Euclid photometry with that from the DES (Abbott et al. 2018).”
A Test of the Cosmological Principle with Quasars (2020, methodology): “For photometric information, we cross-match these with the Dark Energy Survey (DES), Data Release 1 (Abbott et al. 2018), which achieved an i-band depth of 23.44 mag (AB).”
KiDS+VIKING-450 and DES-Y1 combined: Cosmology with cosmic shear (2019, methodology): “We note that the spectroscopically calibrated source redshift distributions will have a comparable impact on the S 8 constraint from the DES-Y1 combined analysis of cosmic shear, galaxy-galaxy lensing, and galaxy clustering (Abbott et al. 2018a).”
The Karl G. Jansky Very Large Array Sky Survey (VLASS). Science Case and Survey Design (2019, background): “…(HSC; ∗ Marie Skłodowska-Curie Fellow Aihara et al. 2018), the Dark Energy Camera Legacy Survey (DECaLS) and related surveys (Dey et al. 2019), the Dark Energy Survey (DES; Abbott et al. 2018) and the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS; Chambers et al. 2016).”
First cosmological results using Type Ia supernovae from the Dark Energy Survey: measurement of the Hubble constant (2018, methodology): “We note that although BAO measurements alone could derive a value for H0 (e.g., see Figure 1), it would rely on the assumption of a cosmological model to extrapolate the BAO measurements to z = 0 (see e.g., DES Collaboration 2018).”