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3 research outcomes, page 1 of 1
  • publication . Article . Other literature type . Preprint . Research . 2019
    Dark Energy Surveyed Year 1 results: calibration of cluster mis-centring in the redMaPPer catalogues
    Open Access
    Authors:
    S. Bhargava; Chris A. Collins; Peter Melchior; D. Brooks; Matt Hilton; W. G. Hartley; W. G. Hartley; Pablo Fosalba; E. Bertin; Arya Farahi; ...
    doi: 10.1093/mnras/stz1361
    Publisher: Oxford University Press (OUP)
    Project: NSF | Collaborative Research: T... (1138766), RCUK | STFC Sussex 2015 DTP (ST/N504452/1), EC | COGS (240672), EC | COSMICDAWN (306478), EC | TESTDE (291329)

    The center determination of a galaxy cluster from an optical cluster finding algorithm can be offset from theoretical prescriptions or $N$-body definitions of its host halo center. These offsets impact the recovered cluster statistics, affecting both richness measuremen...

  • publication . Article . Other literature type . Research . Preprint . 2019
    First Measurement of the Hubble Constant from a Dark Standard Siren using the Dark Energy Survey Galaxies and the LIGO/Virgo Binary-Black-hole Merger GW170814
    Open Access
    Authors:
    V. Mangano; K. Rose; W. G. Hartley; R. Cotesta; Derek Davis; A. Mishkin; Cody Messick; D. Tuyenbayev; C. C. Wipf; A. Markowitz; ...
    doi: 10.3847/2041-8213/ab14f1 , 10.5167/uzh-172669
    handle: 2066/204001 ,
    View all 4 identifiers
    Publisher: eScholarship, University of California
    Project: EC | TESTDE (291329), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | COGS (240672)

    We present a multi-messenger measurement of the Hubble constant H_0 using the binary-black-hole merger GW170814 as a standard siren, combined with a photometric redshift catalog from the Dark Energy Survey (DES). The luminosity distance is obtained from the gravitationa...

  • publication . Article . Preprint . Research . 2020
    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; ...
    doi: 10.1093/mnras/staa526
    Project: RCUK | STFC Sussex 2015 DTP (ST/N504452/1), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478), EC | COGS (240672), EC | TESTDE (291329)

    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...

3 research outcomes, page 1 of 1