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Proceedings Paper • new

Dark energy survey operations: years 4 and 5
Author(s): H. T. Diehl; E. Neilsen; R. A. Gruendl; T. M. C. Abbott; S. Allam; O. Alvarez; J. Annis; E. Balbinot; S. Bhargava; K. Bechtol; G. M. Bernstein; R. Bhatawdekar; S. Bocquet; D. Brout; R. Capasso; R. Cawthon; C. Chang; E. Cook; C. J. Conselice; J. Cruz; C. D'Andrea; L. da Costa; R. Das; D. L. DePoy; A. Drlica-Wagner; A. Elliott; S. W. Everett; J. Frieman; A. Fausti Neto; A. Ferté; I. Friswell; K. E. Furnell; L. Gelman; D. W. Gerdes; M. S. S. Gill; D. A. Goldstein; D. Gruen; D. J. Gulledge; S. Hamilton; D. Hollowood; K. Honscheid; D. J. James; M. D. Johnson; M. W. G. Johnson; S. Kent; R. S. Kessler; G. Khullar; E. Kovacs; A. Kremin; R. Kron; N. Kuropatkin; J. Lasker; A. Lathrop; T. S. Li; M. Manera; M. March; J. L. Marshall; M. Medford; F. Menanteau; I. Mohammed; M. Monroy; B. Moraes; E. Morganson; J. Muir; M. Murphy; B. Nord; A. B. Pace; A. Palmese; Y. Park; F. Paz-Chinchón; M. E. S. Pereira; D. Petravick; A. A. Plazas; J. Poh; T. Prochaska; A. K. Romer; K. Reil; A. Roodman; M. Sako; M. Sauseda; D. Scolnic; L. F. Secco; I. Sevilla-Noarbe; N. Shipp; J. A. Smith; M Soares-Santos; B. Soergel; A. Stebbins; K. T. Story; K. Stringer; F. Tarsitano; B. Thomas; D. L. Tucker; K. Vivas; A. R. Walker; M.-Y. Wang; C. Weaverdyck; N. Weaverdyck; W. Wester; C. F. Wethers; R. Wilkenson; H.-Y Wu; B. Yanny; A. Zenteno; Y. Zhang
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Paper Abstract

The Dark Energy Survey (DES) is an operating optical survey aimed at understanding the accelerating expansion of the universe using four complementary methods: weak gravitational lensing, galaxy cluster counts, baryon acoustic oscillations, and Type Ia supernovae. To perform the 5000 sq-degree wide field and 30 sq-degree supernova surveys, the DES Collaboration built the Dark Energy Camera (DECam), a 3 square-degree, 570-Megapixel CCD camera that was installed at the prime focus of the Blanco 4-meter telescope at the Cerro Tololo Inter-American Observatory (CTIO). DES has completed its third observing season out of a nominal five. This paper describes DES “Year 4” (Y4) and “Year 5” (Y5), the survey strategy, an outline of the survey operations procedures, the efficiency of operations and the causes of lost observing time. It provides details about the quality of these two-season's data, a summary of the overall status, and plans for the final survey season.

Paper Details

Date Published: 10 July 2018
PDF: 18 pages
Proc. SPIE 10704, Observatory Operations: Strategies, Processes, and Systems VII, 107040D (10 July 2018); doi: 10.1117/12.2312113
Show Author Affiliations
H. T. Diehl, Fermi National Accelerator Lab. (United States)
E. Neilsen, Fermi National Accelerator Lab. (United States)
R. A. Gruendl, National Ctr. for Supercomputing Applications (United States)
Univ. of Illinois at Urbana-Champaign (United States)
T. M. C. Abbott, CTIO (Chile)
S. Allam, Fermi National Accelerator Lab. (United States)
O. Alvarez, Fermi National Accelerator Lab. (United States)
J. Annis, Fermi National Accelerator Lab. (United States)
E. Balbinot, Univ. of Surrey (United Kingdom)
S. Bhargava, Univ. of Sussex (United Kingdom)
K. Bechtol, LSST (United States)
G. M. Bernstein, Univ. of Pennsylvania (United States)
R. Bhatawdekar, The Univ. of Nottingham (United Kingdom)
S. Bocquet, Argonne National Lab. (United States)
Univ. Observatory Munich (Germany)
D. Brout, Univ. of Pennsylvania (United States)
R. Capasso, Univ. Observatory Munich (Germany)
Excellence Cluster Univ. (Germany)
R. Cawthon, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
The Univ. of Chicago (United States)
C. Chang, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
E. Cook, George P. and Cynthia Woods Mitchell Institute for Fundamenta Physics and Astronomy, Texas A&M Univ. (United States)
C. J. Conselice, The Univ. of Nottingham (United Kingdom)
J. Cruz, National Optical Astronomy Observatory, Cerro Tololo InterAmerican Observatory (Chile)
C. D'Andrea, Univ. of Pennsylvania (United States)
L. da Costa, Lab. Interinstitucional de e-Astronomia - LIneA (Brazil)
R. Das, Univ. of Michigan (United States)
D. L. DePoy, George P. and Cynthia Woods Mitchell Institute for Fundamenta Physics and Astronomy, Texas A&M Univ. (United States)
A. Drlica-Wagner, Fermi National Accelerator Lab. (United States)
A. Elliott, The Ohio State Univ. (United States)
S. W. Everett, Univ. of California, Santa Cruz (United States)
J. Frieman, Fermi National Accelerator Lab. (United States)
Kavli Institute for Cosmological Physics, Univ. of Chicago (United States)
Univ. of Chicago (United States)
A. Fausti Neto, Lab. Interinstitucional de e-Astronomia - LIneA (Brazil)
A. Ferté, Univ. of Edinburgh (United Kingdom)
I. Friswell, The Univ. of Edinburgh (United Kingdom)
K. E. Furnell, Astrophysics Research Institute, Liverpool John Moores Univ. (United Kingdom)
L. Gelman, National Ctr. for Supercomputing Applicaitons (United States)
D. W. Gerdes, Univ. of Michigan (United States)
M. S. S. Gill, SLAC National Accelerator Lab. (United States)
D. A. Goldstein, Lawrence Berkeley National Lab. (United States)
Univ, of California, Berkeley (United States)
D. Gruen, Kavli Institute for Particle Astrophysics and Cosmology, Stanford Univ. (United States)
SLAC National Accelerator Lab. (United States)
D. J. Gulledge, Austin Peay State Univ. (United States)
S. Hamilton, Univ. of Michigan (United States)
D. Hollowood, Univ. of California, Santa Cruz (United States)
K. Honscheid, The Ohio State Univ. (United States)
D. J. James, National Optical Astronomy Observatory, Cerro Tololo InterAmerican Observatory (United States)
Harvard-Smithsonain Ctr. for Astrophysics (United States)
M. D. Johnson, National Ctr. for Supercomputing Applications (United States)
M. W. G. Johnson, National Ctr. for Supercomputing Applications (United States)
S. Kent, Fermi National Accelerator Lab. (United States)
R. S. Kessler, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
G. Khullar, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
The Univ. of Chicago (United States)
E. Kovacs, Argonne National Lab. (United States)
A. Kremin, Univ. of Michigan (United States)
R. Kron, Fermi National Accelerator Lab. (United States)
N. Kuropatkin, Fermi National Accelerator Lab. (United States)
J. Lasker, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
The Univ. of Chicago (United States)
A. Lathrop, Fermi National Accelerator Lab. (United States)
T. S. Li, Fermi National Accelerator Lab. (United States)
M. Manera, Univ. College London (United Kingdom)
M. March, Univ. of Pennsylvania (United States)
J. L. Marshall, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M U. (United States)
M. Medford, Lawrence Berkeley National Lab. (United States)
Univ. of California, Berkeley (United States)
F. Menanteau, National Ctr. for Supercomputing Applications (United States)
Univ. of Illinois At Urbana-Champaign (United States)
I. Mohammed, Fermi National Accelerator Lab. (United States)
M. Monroy, Ctr. de Investigaciones Energéticas, Medioambientales y Tecnológicas (Spain)
B. Moraes, Univ. College London (United Kingdom)
E. Morganson, National Ctr. for Supercomputing Applicaitons (United States)
Univ. of Illinois at Urbana-Champaign (United States)
J. Muir, Univ. of Michigan (United States)
M. Murphy, Fermi National Accelerator Lab. (United States)
B. Nord, Fermi National Accelerator Lab. (United States)
A. B. Pace, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M Univ. (United States)
A. Palmese, Univ. College London (United Kingdom)
Y. Park, The Univ. of Arizona (United States)
F. Paz-Chinchón, National Ctr. for Supercomputing Applications (United States)
M. E. S. Pereira, Brandeis Univ. (United States)
D. Petravick, National Ctr. for Supercomputing Applications (United States)
A. A. Plazas, Jet Propulsion Lab. (United States)
J. Poh, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
The Univ. of Chicago (United States)
T. Prochaska, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M Univ. (United States)
A. K. Romer, Univ. of Sussex (United Kingdom)
K. Reil, Kavli Institute for Particle Astrophysics and Cosmology, Stanford Univ. (United States)
SLAC National Accelerator Lab. (United States)
A. Roodman, Kavli Institute for Particle Astrophysics and Cosmology, Stanford Univ. (United States)
SLAC National Accelerator Lab. (United States)
M. Sako, Univ. of Pennsylvania (United States)
M. Sauseda, George P. and Cynthia Woods Mitchell Institute for Fundamenta Physics and Astronomy, Texas A&M Univ. (United States)
D. Scolnic, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
L. F. Secco, Univ. of Pennsylvania (United States)
I. Sevilla-Noarbe, Ctr. de Investigaciones Energéticas, Medioambientales y Tecnológicas (Spain)
N. Shipp, Kavli Institute for Cosmological Physics, The Univ. of Chicago (United States)
The Univ. of Chicago (United States)
J. A. Smith, Austin Peay State Univ. (United States)
M Soares-Santos, Fermi National Accelerator Lab. (United States)
Brandeis Univ. (United States)
B. Soergel, Kavli Institute for Cosmology, Univ. Cambridge (United Kingdom)
A. Stebbins, Fermi National Accelerator Lab. (United States)
K. T. Story, Kavli Institute for Particle Astrophysics and Cosmology, Stanford Univ. (United States)
SLAC National Accelerator Lab. (United States)
K. Stringer, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M U. (United States)
F. Tarsitano, ETH Zürich (Switzerland)
B. Thomas, Univ. of Portsmouth (United Kingdom)
D. L. Tucker, Fermi National Accelerator Lab. (United States)
K. Vivas, National Optical Astronomy Observatory, Cerro Tololo InterAmerican Observatory (Chile)
A. R. Walker, National Optical Astronomy Observatory, Cerro Tololo InterAmerican Observatory (Chile)
M.-Y. Wang, George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M U. (United States)
C. Weaverdyck, Univ. of Michigan (United States)
N. Weaverdyck, Univ. of Michigan (United States)
W. Wester, Fermi National Accelerator Lab. (United States)
C. F. Wethers, Institute of Astronomy, Univ. of Cambridge (United Kingdom)
R. Wilkenson, Univ. of Sussex (United Kingdom)
H.-Y Wu, The Ohio State Univ. (United States)
B. Yanny, Fermi National Accelerator Lab. (United States)
A. Zenteno, National Optical Astronomy Observatory, Cerro Tololo InterAmerican Observatory (Chile)
Y. Zhang, Fermi National Accelerator Lab. (United States)


Published in SPIE Proceedings Vol. 10704:
Observatory Operations: Strategies, Processes, and Systems VII
Alison B. Peck; Robert L. Seaman; Chris R. Benn, Editor(s)

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