Observation and confirmation of nine strong-lensing systems in Dark Energy Survey Year 1 data

B. Nord; E. Buckley-Geer; H. Lin; N. Kuropatkin; T. Collett; D. L. Tucker; H. T. Diehl; A. Agnello; A. Amara; T. M. C. Abbott; S. Allam; J. Annis; S. Avila; K. Bechtol; D. Brooks; D. L. Burke; A. Carnero Rosen; M. Carrasco Kind; J. Carretero; C. E. Cunha; L. N. Costa; C. Davis; J. De Vicente; P. Doel; T. F. Eifler; A. E. Evrard; E. Fernandez; B. Flaugher; P. Fosalba; J. Frieman; J. Garcia-Bellido; E. Gaztanaga; D. Gruen; R. A. Gruendl; G. Gutierrez; W. G. Hartley; D. L. Hollowood; K. Honscheid; B. Hoyle; D. J. James; K. Kuehn; O. Lahav; M. Lima; M. A. G. Maia; M. March; J. L. Marshall; P. Melchior; F. Menanteau; R. Miquel; A. A. Plazas; A. K. Romer; A. Roodman; E. S. Rykoff; E. Sanchez; Scarpine; R. Schindler; M. Schubnell; Sevilla-Noarbe; M. Smith; M. Soares-Santos; F. Sobreira; E. Suchyta; M. E. C. Swanson; G. Tarle; D. Thomas; Y. Zhang; DES Collaboration

doi:10.1093/mnras/staa200

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Observation and confirmation of nine strong-lensing systems in Dark Energy Survey Year 1 data

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Observation and confirmation of nine strong-lensing systems in Dark Energy Survey Year 1 data

B. Nord, E. Buckley-Geer, H. Lin, N. Kuropatkin, T. Collett, D. L. Tucker, H. T. Diehl, A. Agnello, A. Amara, T. M. C. Abbott, …

Monthly notices of the Royal Astronomical Society, Vol.494(1), pp.1308-1322

05/01/2020

DOI: https://doi.org/10.1093/mnras/staa200

Abstract

Astronomy & Astrophysics

Science & Technology

Physical Sciences

We describe the observation and confirmation of nine new strong gravitational lenses discovered in Year 1 data from the Dark Energy Survey (DES). We created candidate lists based on (i) galaxy group and cluster samples, and (ii) photometrically selected galaxy samples. We selected 46 candidates through visual inspection and then used the Gemini Multi-Object Spectrograph (GMOS) at the Gemini South telescope to acquire a spectroscopic follow-up of 21 of these candidates. Through an analysis of these spectroscopic follow-up data, we confirmed nine new lensing systems and rejected two candidates, and the analysis was inconclusive on 10 candidates. For each of the confirmed systems, our report measured spectroscopic properties, estimated source image-lens separations, and estimated enclosed masses as well. The sources that we targeted have an i-band surface brightness range of i(SB) similar to 22-24 mag arcsec(-2) and a spectroscopic redshift range of z(spec) similar to 0.8-2.6. The lens galaxies have a photometric redshift range of z(lens) similar to 0.3-0.7. The lensing systems range in source image-lens separation from 2 to 9 arcsec and in enclosed mass from 10(12) to 10(13) M-circle dot.

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Title: Observation and confirmation of nine strong-lensing systems in Dark Energy Survey Year 1 data
Creators: B. Nord - Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
E. Buckley-Geer - Fermi National Accelerator Laboratory
H. Lin - Fermi National Accelerator Laboratory
N. Kuropatkin - Fermi National Accelerator Laboratory
T. Collett - University of Portsmouth
D. L. Tucker - Fermi National Accelerator Laboratory
H. T. Diehl - Fermi National Accelerator Laboratory
A. Agnello - European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
A. Amara - Federal Reserve
T. M. C. Abbott - Cerro Tololo Inter-American Observatory
S. Allam - Fermi National Accelerator Laboratory
J. Annis - Fermi National Accelerator Laboratory
S. Avila - University of Portsmouth
K. Bechtol - University of Wisconsin–Madison
D. Brooks - University College London
D. L. Burke - Kavli Institute for Particle Astrophysics and Cosmology
A. Carnero Rosen - Ctr Invest Energet Medioambientales & Tecnol CIEM, E-28040 Madrid, Spain
M. Carrasco Kind - National Center for Supercomputing Applications
J. Carretero - Institute for High Energy Physics
C. E. Cunha - Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, POB 2450, Stanford, CA 94305 USA
L. N. Costa - Laboratório Interinstitucional de e-Astronomia
C. Davis - University of Louisville
J. De Vicente - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
P. Doel - University College London
T. F. Eifler - University of Arizona
A. E. Evrard - University of Michigan
E. Fernandez - Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, E-08193 Bellaterra, Barcelona, Spain
B. Flaugher - Fermi National Accelerator Laboratory
P. Fosalba - Institut d'Estudis Espacials de Catalunya
J. Frieman - Fermi National Accelerator Laboratory
J. Garcia-Bellido - Universidad Autónoma de Madrid
E. Gaztanaga - Institut d'Estudis Espacials de Catalunya
D. Gruen - Kavli Institute for Particle Astrophysics and Cosmology
R. A. Gruendl - National Center for Supercomputing Applications
G. Gutierrez - Fermi National Accelerator Laboratory
W. G. Hartley - Swiss Fed Inst Technol, Dept Phys, Wolfgang Pauli Str 16, CH-8093 Zurich, Switzerland
D. L. Hollowood - University of California, Santa Cruz
K. Honscheid - The Ohio State University
B. Hoyle - Ludwig-Maximilians-Universität München
D. J. James - Center for Astrophysics Harvard & Smithsonian
K. Kuehn - Australian Astronomical Observatory
O. Lahav - University College London
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. Melchior - Princeton University
F. Menanteau - National Center for Supercomputing Applications
R. Miquel - Lawrence Berkeley National Laboratory
A. A. Plazas - Princeton University
A. K. Romer - University of Sussex
A. Roodman - Kavli Institute for Particle Astrophysics and Cosmology
E. S. Rykoff - Kavli Institute for Particle Astrophysics and Cosmology
E. Sanchez - Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
Scarpine - Fermi National Accelerator Laboratory
R. Schindler - SLAC National Accelerator Laboratory
M. Schubnell - University of Michigan
Sevilla-Noarbe - Ctr Invest Energet Medioambientales & Tecnol CIEM, E-28040 Madrid, Spain
M. Smith - University of Southampton
M. Soares-Santos - Brandeis University, Martin A. Fisher School of Physics
F. Sobreira - Universidade Estadual de Campinas (UNICAMP)
E. Suchyta - Oak Ridge National Laboratory
M. E. C. Swanson - National Center for Supercomputing Applications
G. Tarle - Institute for High Energy Physics
D. Thomas - University of Portsmouth
Y. Zhang - Fermi National Accelerator Laboratory
DES Collaboration
Publication Details: Monthly notices of the Royal Astronomical Society, Vol.494(1), pp.1308-1322
Publisher: Oxford Univ Press
Number of pages: 15
Grant note: University of Edinburgh University of Cambridge University of Chicago ST/S000550/1; ST/N001087/1; ST/T000473/1; ST/M003574/1; ST/R000476/1; ST/P000525/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) U.S. Department of Energy; United States Department of Energy (DOE) Mitchell Institute for Fundamental Physics and Astronomy at Texas AMUniversity; Texas A&M University College Station Kavli Institute of Cosmological Physics at the University of Chicago Lawrence Berkeley National Laboratory; United States Department of Energy (DOE) SEV-2012-0234 / Centro de Excelencia Severo Ochoa National Optical Astronomy Observatory; National Science Foundation (NSF); NSF - Directorate for Mathematical & Physical Sciences (MPS)
Identifiers: 9924552851101921
Academic Unit: Martin A. Fisher School of Physics
Language: English
Resource Type: Journal article

Observation and confirmation of nine strong-lensing systems in Dark Energy Survey Year 1 data

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