First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy

M. Smith; C. B. D'Andrea; M. Sullivan; A. Möller; R. C. Nichol; R. C. Thomas; A. G. Kim; M. Sako; F. J. Castander; A. V. Filippenko; R. J. Foley; L. Galbany; S. González-Gaitán; E. Kasai; R. P. Kirshner; C. Lidman; D. Scolnic; D. Brout; T. M. Davis; R. R. Gupta; S. R. Hinton; R. Kessler; J. Lasker; E. Macaulay; R. C. Wolf; B. Zhang; J. Asorey; A. Avelino; B. A. Bassett; J. Calcino; D. Carollo; R. Casas; P. Challis; M. Childress; A. Clocchiatti; S. Crawford; C. Frohmaier; K. Glazebrook; D. A. Goldstein; M. L. Graham; J. K. Hoormann; K. Kuehn; G. F. Lewis; K. S. Mandel; E. Morganson; D. Muthukrishna; P. Nugent; Y.-C. Pan; M. Pursiainen; R. Sharp; N. E. Sommer; E. Swann; B. P. Thomas; B. E. Tucker; S. A. Uddin; P. Wiseman; W. Zheng; T. M. C. Abbott; J. Annis; S. Avila; K. Bechtol; G. M. Bernstein; E. Bertin; D. Brooks; D. L. Burke; A. Carnero Rosell; M. Carrasco Kind; J. Carretero; C. E. Cunha; L. N. da Costa; C. Davis; J. De Vicente; H. T. Diehl; T. F. Eifler; J. Estrada; J. Frieman; J. García-Bellido; E. Gaztanaga; D. W. Gerdes; D. Gruen; R. A. Gruendl; J. Gschwend; G. Gutierrez; W. G. Hartley; D. L. Hollowood; K. Honscheid; B. Hoyle; D. J. James; M. W. G. Johnson; M. D. Johnson; N. Kuropatkin; T. S. Li; M. Lima; M. A. G. Maia; M. March; J. L. Marshall; P. Martini; F. Menanteau; C. J. Miller; R. Miquel; E. Neilsen; R. L. C. Ogando; A. A. Plazas; A. K. Romer; E. Sanchez; V. Scarpine; M. Schubnell; S. Serrano; I. Sevilla-Noarbe; M. Soares-Santos; F. Sobreira; E. Suchyta; G. Tarle; D. L. Tucker; W. Wester; SLAC National Accelerator Lab., Menlo Park, CA (United States)

doi:10.3847/1538-3881/abc01b

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First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy

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First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy

M. Smith, C. B. D'Andrea, M. Sullivan, A. Möller, R. C. Nichol, R. C. Thomas, A. G. Kim, M. Sako, F. J. Castander, A. V. Filippenko, …

The Astronomical journal, Vol.160(6), p.267

01/12/2020

DOI: https://doi.org/10.3847/1538-3881/abc01b

Abstract

Cosmological parameters

Observational cosmology

Sky surveys

Supernovae

Type Ia supernovae

Cosmology

We present details on the observing strategy, data-processing techniques, and spectroscopic targeting algorithms for the first three years of operation for the Dark Energy Survey Supernova Program (DES-SN). This five-year program using the Dark Energy Camera mounted on the 4 m Blanco telescope in Chile was designed to discover and follow supernovae (SNe) Ia over a wide redshift range (0.05 < z < 1.2) to measure the equation-of-state parameter of dark energy. We describe the SN program in full: strategy, observations, data reduction, spectroscopic follow-up observations, and classification. From three seasons of data, we have discovered 12,015 likely SNe, 308 of which have been spectroscopically confirmed, including 251 SNe Ia over a redshift range of 0.017 < z < 0.85. We determine the effective spectroscopic selection function for our sample and use it to investigate the redshift-dependent bias on the distance moduli of SNe Ia we have classified. The data presented here are used for the first cosmology analysis by DES-SN ("DES-SN3YR"), the results of which are given in Dark Energy Survey Collaboration et al. The 489 spectra that are used to define the DES-SN3YR sample are publicly available at https://des.ncsa.illinois.edu/releases/sn.

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Title: First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy
Creators: M. Smith - Claude Bernard University Lyon 1
C. B. D'Andrea - University of Pennsylvania
M. Sullivan - University of Southampton
A. Möller - University of Clermont Auvergne
R. C. Nichol - University of Portsmouth
R. C. Thomas - Lawrence Berkeley National Laboratory
A. G. Kim - Lawrence Berkeley National Laboratory
M. Sako - University of Pennsylvania
F. J. Castander - Institut d'Estudis Espacials de Catalunya
A. V. Filippenko - University of California, Berkeley
R. J. Foley - Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USA
L. Galbany - Universidad de Granada
S. González-Gaitán - Universidade de Lisboa CENTRA, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
E. Kasai - University of Namibia
R. P. Kirshner - Gordon and Betty Moore Foundation
C. Lidman - Australian National University
D. Scolnic - Duke University
D. Brout - University of Pennsylvania
T. M. Davis - University of Queensland
R. R. Gupta - Lawrence Berkeley National Laboratory
S. R. Hinton - University of Queensland
R. Kessler - University of Chicago
J. Lasker - University of Chicago
E. Macaulay - University of Portsmouth
R. C. Wolf - Stanford University
B. Zhang - Australian National University
J. Asorey - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
A. Avelino - Center for Astrophysics Harvard & Smithsonian
B. A. Bassett - South African Radio Astronomy Observatory
J. Calcino - University of Queensland
D. Carollo - Osservatorio Astrofisico di Torino
R. Casas - Institut d'Estudis Espacials de Catalunya
P. Challis - Center for Astrophysics Harvard & Smithsonian
M. Childress - University of Southampton
A. Clocchiatti - Millennium Science Initiative
S. Crawford - South African Radio Astronomy Observatory
C. Frohmaier - University of Portsmouth
K. Glazebrook - Swinburne University of Technology
D. A. Goldstein - California Institute of Technology
M. L. Graham - University of Washington
J. K. Hoormann - University of Queensland
K. Kuehn - Australian Astronomical Observatory
G. F. Lewis - University of Sydney
K. S. Mandel - Institute of Astronomy and Kavli Institute for Cosmology , Madingley Road, Cambridge, CB3 0HA, UK
E. Morganson - National Center for Supercomputing Applications
D. Muthukrishna - Australian National University
P. Nugent - Lawrence Berkeley National Laboratory
Y.-C. Pan - National Central University
M. Pursiainen - University of Southampton
R. Sharp - Australian National University
N. E. Sommer - Australian National University
E. Swann - University of Portsmouth
B. P. Thomas - University of Portsmouth
B. E. Tucker - Australian National University
S. A. Uddin - The University of Texas at Austin
P. Wiseman - University of Southampton
W. Zheng - University of California, Berkeley
T. M. C. Abbott - Cerro Tololo Inter-American Observatory
J. Annis - Fermi National Accelerator Laboratory
S. Avila - Autonomous University of Madrid
K. Bechtol - University of Wisconsin–Madison
G. M. Bernstein - University of Pennsylvania
E. Bertin - Institut d'Astrophysique de Paris
D. Brooks - University College London
D. L. Burke - SLAC National Accelerator Laboratory
A. Carnero Rosell - Instituto de Astrofísica de Canarias
M. Carrasco Kind - National Center for Supercomputing Applications
J. Carretero - Institute for High Energy Physics
C. E. Cunha - Stanford University
L. N. da Costa - Observatório Nacional , Rua Gal. José Cristino 77, Rio de Janeiro, RJ-20921-400, Brazil
C. Davis - Kavli Institute for Particle Astrophysics and Cosmology
J. De Vicente - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
H. T. Diehl - Fermi National Accelerator Laboratory
T. F. Eifler - University of Arizona
J. Estrada - Fermi National Accelerator Laboratory
J. Frieman - University of Chicago
J. García-Bellido - Autonomous University of Madrid
E. Gaztanaga - Institut d'Estudis Espacials de Catalunya
D. W. Gerdes - University of Michigan–Ann Arbor
D. Gruen - Kavli Institute for Particle Astrophysics and Cosmology
R. A. Gruendl - National Center for Supercomputing Applications
J. Gschwend - Laboratório Interinstitucional de e-Astronomia
G. Gutierrez - Fermi National Accelerator Laboratory
W. G. Hartley - University College London
D. L. Hollowood - Santa Cruz Institute for Particle Physics , Santa Cruz, CA 95064, USA
K. Honscheid - The Ohio State University
B. Hoyle - Ludwig-Maximilians-Universität München
D. J. James - Center for Astrophysics Harvard & Smithsonian
M. W. G. Johnson - National Center for Supercomputing Applications
M. D. Johnson - National Center for Supercomputing Applications
N. Kuropatkin - Fermi National Accelerator Laboratory
T. S. Li - Carnegie Observatories
M. Lima - Laboratório Interinstitucional de e-Astronomia
M. A. G. Maia - Laboratório Interinstitucional de e-Astronomia
M. March - University of Pennsylvania
J. L. Marshall - Mitchell Institute
P. Martini - The Ohio State University
F. Menanteau - National Center for Supercomputing Applications
C. J. Miller - University of Michigan–Ann Arbor
R. Miquel - Institute for High Energy Physics
E. Neilsen - Fermi National Accelerator Laboratory
R. L. C. Ogando - Valongo Observatory
A. A. Plazas - Princeton University
A. K. Romer - University of Sussex
E. Sanchez - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
V. Scarpine - Fermi National Accelerator Laboratory
M. Schubnell - University of Michigan–Ann Arbor
S. Serrano - Institut d'Estudis Espacials de Catalunya
I. Sevilla-Noarbe - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
M. Soares-Santos - University of Michigan–Ann Arbor
F. Sobreira - Laboratório Interinstitucional de e-Astronomia
E. Suchyta - Oak Ridge National Laboratory
G. Tarle - University of Michigan–Ann Arbor
D. L. Tucker - Fermi National Accelerator Laboratory
W. Wester - Fermi National Accelerator Laboratory
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Details: The Astronomical journal, Vol.160(6), p.267
Publisher: The American Astronomical Society
Number of pages: 21
Date published: 01/12/2020
Identifiers: 99820328902346
Academic Unit: FEPS Central Faculty Admin
Language: English
Resource Type: Journal article

First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy

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