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85 research outcomes, page 1 of 9
  • publication . Article . Preprint . Other literature type . 2019
    Cosmological lensing ratios with DES Y1, SPT and Planck
    Open Access English
    Authors:
    T. de Haan; T. de Haan; Felipe Menanteau; Erin S. Sheldon; G. Tarle; Joe Zuntz; Enrique Gaztañaga; Stephen Padin; Jennifer L. Marshall; Molly E. C. Swanson; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stz1309

    handle: 20.500.11820/32cacb98-d8aa-4d74-9e62-7bb84bb7bdce

    Publisher: HAL CCSD
    Project: EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | COGS (240672)

    Correlations between tracers of the matter density field and gravitational lensing are sensitive to the evolution of the matter power spectrum and the expansion rate across cosmic time. Appropriately defined ratios of such correlation functions, on the other hand, depen...

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  • publication . Article . Research . Preprint . Other literature type . 2018
    Dark energy survey year 1 results: the effect of intracluster light on photometric redshifts for weak gravitational lensing
    Open Access English
    Authors:
    V. Scarpine; Filipe B. Abdalla; Filipe B. Abdalla; R. L. C. Ogando; A. A. Plazas; T. N. Varga; T. N. Varga; K. Honscheid; Enrique Gaztañaga; N. Kuropatkin; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stz2036

    Publisher: Oxford
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | COGS (240672)

    We study the effect of diffuse intracluster light on the critical surface mass density estimated from photometric redshifts of lensing source galaxies, and the resulting bias in a weak lensing measurement of galaxy cluster mass. Under conservative assumptions, we find t...

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  • publication . Article . Preprint . Research . 2019
    Stellar mass as a galaxy cluster mass proxy:application to the Dark Energy Survey redMaPPer clusters
    Open Access English
    Authors:
    G. Tarle; T. McClintock; Risa H. Wechsler; Risa H. Wechsler; D. L. Burke; D. L. Burke; Daniel Thomas; Eric Suchyta; E. J. Sanchez; Santiago Avila; ...
    Persistent Identifiers

    doi: 10.1093/mnras/staa526

    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), RCUK | STFC Sussex 2015 DTP (ST/N504452/1), EC | COSMICDAWN (306478), EC | COGS (240672)

    We introduce a galaxy cluster mass observable, $\mu_\star$, based on the stellar masses of cluster members, and we present results for the Dark Energy Survey (DES) Year 1 observations. Stellar masses are computed using a Bayesian Model Averaging method, and are validate...

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  • publication . Research . Preprint . Article . Other literature type . 2018
    Dark Energy Survey Year 1 Results: Methods for Cluster Cosmology and Application to the SDSS
    Open Access
    Authors:
    Eduardo Rozo; Ben Hoyle; Ben Hoyle; T. Jeltema; Rafe Schindler; Michael Schubnell; M. G. Smith; N. Kuropatkin; Marcelle Soares-Santos; Carlos E. Cunha; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stz1949

    Project: EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | ClustersXCosmo (716762), EC | COGS (240672)

    We perform the first blind analysis of cluster abundance data. Specifically, we derive cosmological constraints from the abundance and weak-lensing signal of \redmapper\ clusters of richness $\lambda\geq 20$ in the redshift range $z\in[0.1,0.3]$ as measured in the Sloan...

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  • publication . Article . Research . Preprint . 2018
    Dark Energy Survey year 1 results: cross-correlation between Dark Energy Survey Y1 galaxy weak lensing and South Pole Telescope plus Planck CMB weak lensing
    Open Access English
    Authors:
    Omori, Y.; Baxter, E. J.; Chang, C.; Kirk, D.; Alarcon, A.; Bernstein, G. M.; Bleem, L. E.; Cawthon, R.; Choi, A.; Chown, R.; ...
    Persistent Identifiers

    doi: 10.1103/physrevd.100.043517

    Publisher: College Park, MD
    Project: NSF | Leadership Class Scientif... (0725070), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), NSF | Sustained-Petascale In Ac... (1238993), NSF | Center for Cosmological P... (0114422), NSF | Cosmological Research wit... (1248097), EC | COSMICDAWN (306478), NSF | Physics Frontier Center a... (1125897), NSERC , EC | COGS (240672)

    We cross-correlate galaxy weak lensing measurements from the Dark Energy Survey (DES) year-one (Y1) data with a cosmic microwave background (CMB) weak lensing map derived from South Pole Telescope (SPT) and Planck data, with an effective overlapping area of 1289 deg$^{2...

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  • publication . Article . Preprint . Other literature type . 2016
    CMB lensing tomography with the DES Science Verification galaxies
    Open Access
    Authors:
    R. Armstrong; Carlos E. Cunha; H. T. Diehl; M. March; Robert Crittenden; Gilbert Holder; M. E. C. Swanson; D. W. Gerdes; T. M. Crawford; Marcos Lima; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stv2678

    Publisher: Oxford University Press (OUP)
    Project: NSF | Cosmological Research wit... (1248097), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), NSF | Center for Cosmological P... (0114422), EC | COSMICDAWN (306478), EC | COGS (240672)

    Comment: 32 pages, 29 figures, minor modifications to match version published by MNRAS

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  • publication . Article . Preprint . 2019
    A new RASS galaxy cluster catalogue with low contamination extending to $z\sim1$ in the DES overlap region
    Open Access English
    Authors:
    Pablo Fosalba; E. Bertin; J. Gschwend; Francisco J. Castander; T. M. C. Abbott; Marcos Lima; M. Paulus; Juan García-Bellido; V. Scarpine; W. G. Hartley; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stz1463

    Publisher: HAL CCSD
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | COGS (240672)

    We present the MARD-Y3 catalog of between 1086 and 2171 galaxy clusters (52\% and 65\% new) produced using multi-component matched filter (MCMF) followup in 5000\,deg$^2$ of DES-Y3 optical data of the $\sim$20000 overlapping 2RXS X-ray sources. Optical counterparts are ...

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  • publication . Article . Preprint . 2020
    A joint SZ-X-ray-optical analysis of the dynamical state of 288 massive galaxy clusters
    Open Access English
    Authors:
    Daniel Gruen; Daniel Gruen; M. Costanzi; G. Gutierrez; A. A. Plazas; Tim Eifler; Tim Eifler; D. Brooks; A. Palmese; A. Palmese; ...
    Persistent Identifiers

    doi: 10.1093/mnras/staa1157

    Publisher: Oxford University Press
    Project: EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | ClustersXCosmo (716762), EC | COGS (240672)

    Comment: 21 pages, 12 Figures, 4 Tables. Accepted for publication in MNRAS

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  • publication . Article . Preprint . Research . 2017
    Models of the strongly lensed quasar DES J0408-5354
    Open Access
    Authors:
    D. Brooks; M. G. Smith; L. Buckley-Geer; K. Honscheid; Paul L. Schechter; Christopher D. Fassnacht; Christopher S. Kochanek; Georges Meylan; Richard G. McMahon; Carlos E. Cunha; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stx2242

    Publisher: Oxford, Oxford Univ Press
    Project: NSF | Collaborative Research: A... (1450141), NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | COGS (240672)

    We present gravitational lens models of the multiply imaged quasar DES J0408-5354, recently discovered in the Dark Energy Survey (DES) footprint, with the aim of interpreting its remarkable quad-like configuration. We first model the DES single-epoch $grizY$ images as a...

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  • publication . Preprint . Article . Other literature type . 2016
    The Dark Energy Survey: more than dark energy - an overview
    Open Access English
    Authors:
    Joseph J. Mohr; Risa H. Wechsler; Risa H. Wechsler; D. L. Burke; D. L. Burke; Iftach Sadeh; A. Roodman; A. Roodman; Alistair R. Walker; Peter Melchior; ...
    Persistent Identifiers

    doi: 10.1093/mnras/stw641

    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COSMICDAWN (306478), EC | COGS (240672)

    This overview article describes the legacy prospect and discovery potential of the Dark Energy Survey (DES) beyond cosmological studies, illustrating it with examples from the DES early data. DES is using a wide-field camera (DECam) on the 4m Blanco Telescope in Chile t...

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85 research outcomes, page 1 of 9