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Title: Cosmic shear results from the deep lens survey. II. Full cosmological parameter constraints from tomography

Abstract

Here, we present a tomographic cosmic shear study from the Deep Lens Survey (DLS), which, providing a limiting magnitude $${r}_{\mathrm{lim}}\sim 27$$ ($$5\sigma $$), is designed as a precursor Large Synoptic Survey Telescope (LSST) survey with an emphasis on depth. Using five tomographic redshift bins, we study their auto- and cross-correlations to constrain cosmological parameters. We use a luminosity-dependent nonlinear model to account for the astrophysical systematics originating from intrinsic alignments of galaxy shapes. We find that the cosmological leverage of the DLS is among the highest among existing $$\gt 10$$ deg2 cosmic shear surveys. Combining the DLS tomography with the 9 yr results of the Wilkinson Microwave Anisotropy Probe (WMAP9) gives $${{\rm{\Omega }}}_{m}={0.293}_{-0.014}^{+0.012}$$, $${\sigma }_{8}={0.833}_{-0.018}^{+0.011}$$, $${H}_{0}={68.6}_{-1.2}^{+1.4}\;{\text{km s}}^{-1}\;{{\rm{Mpc}}}^{-1}$$, and $${{\rm{\Omega }}}_{b}=0.0475\pm 0.0012$$ for ΛCDM, reducing the uncertainties of the WMAP9-only constraints by ~50%. When we do not assume flatness for ΛCDM, we obtain the curvature constraint $${{\rm{\Omega }}}_{k}=-{0.010}_{-0.015}^{+0.013}$$ from the DLS+WMAP9 combination, which, however, is not well constrained when WMAP9 is used alone. The dark energy equation-of-state parameter w is tightly constrained when baryonic acoustic oscillation (BAO) data are added, yielding $$w=-{1.02}_{-0.09}^{+0.10}$$ with the DLS+WMAP9+BAO joint probe. The addition of supernova constraints further tightens the parameter to $$w=-1.03\pm 0.03$$. Our joint constraints are fully consistent with the final Planck results and also with the predictions of a ΛCDM universe.

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [2]; ORCiD logo [2]
  1. Yonsei Univ., Seoul (Korea); Univ. of California, Davis, CA (United States)
  2. Univ. of California, Davis, CA (United States)
  3. Excellence Cluster Universe, Garching (Germany); Univ.-Sternwarte, Munchen (Germany)
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1338898
Report Number(s):
LLNL-JRNL-672576
Journal ID: ISSN 1538-4357
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 824; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; cosmological parameters; cosmology: observations; dark matter; gravitational lensing: weak; large-scale structure of universe

Citation Formats

Jee, M. James, Tyson, J. Anthony, Hilbert, Stefan, Schneider, Michael D., Schmidt, Samuel, and Wittman, David. Cosmic shear results from the deep lens survey. II. Full cosmological parameter constraints from tomography. United States: N. p., 2016. Web. https://doi.org/10.3847/0004-637X/824/2/77.
Jee, M. James, Tyson, J. Anthony, Hilbert, Stefan, Schneider, Michael D., Schmidt, Samuel, & Wittman, David. Cosmic shear results from the deep lens survey. II. Full cosmological parameter constraints from tomography. United States. https://doi.org/10.3847/0004-637X/824/2/77
Jee, M. James, Tyson, J. Anthony, Hilbert, Stefan, Schneider, Michael D., Schmidt, Samuel, and Wittman, David. Wed . "Cosmic shear results from the deep lens survey. II. Full cosmological parameter constraints from tomography". United States. https://doi.org/10.3847/0004-637X/824/2/77. https://www.osti.gov/servlets/purl/1338898.
@article{osti_1338898,
title = {Cosmic shear results from the deep lens survey. II. Full cosmological parameter constraints from tomography},
author = {Jee, M. James and Tyson, J. Anthony and Hilbert, Stefan and Schneider, Michael D. and Schmidt, Samuel and Wittman, David},
abstractNote = {Here, we present a tomographic cosmic shear study from the Deep Lens Survey (DLS), which, providing a limiting magnitude ${r}_{\mathrm{lim}}\sim 27$ ($5\sigma $), is designed as a precursor Large Synoptic Survey Telescope (LSST) survey with an emphasis on depth. Using five tomographic redshift bins, we study their auto- and cross-correlations to constrain cosmological parameters. We use a luminosity-dependent nonlinear model to account for the astrophysical systematics originating from intrinsic alignments of galaxy shapes. We find that the cosmological leverage of the DLS is among the highest among existing $\gt 10$ deg2 cosmic shear surveys. Combining the DLS tomography with the 9 yr results of the Wilkinson Microwave Anisotropy Probe (WMAP9) gives ${{\rm{\Omega }}}_{m}={0.293}_{-0.014}^{+0.012}$, ${\sigma }_{8}={0.833}_{-0.018}^{+0.011}$, ${H}_{0}={68.6}_{-1.2}^{+1.4}\;{\text{km s}}^{-1}\;{{\rm{Mpc}}}^{-1}$, and ${{\rm{\Omega }}}_{b}=0.0475\pm 0.0012$ for ΛCDM, reducing the uncertainties of the WMAP9-only constraints by ~50%. When we do not assume flatness for ΛCDM, we obtain the curvature constraint ${{\rm{\Omega }}}_{k}=-{0.010}_{-0.015}^{+0.013}$ from the DLS+WMAP9 combination, which, however, is not well constrained when WMAP9 is used alone. The dark energy equation-of-state parameter w is tightly constrained when baryonic acoustic oscillation (BAO) data are added, yielding $w=-{1.02}_{-0.09}^{+0.10}$ with the DLS+WMAP9+BAO joint probe. The addition of supernova constraints further tightens the parameter to $w=-1.03\pm 0.03$. Our joint constraints are fully consistent with the final Planck results and also with the predictions of a ΛCDM universe.},
doi = {10.3847/0004-637X/824/2/77},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 824,
place = {United States},
year = {2016},
month = {6}
}

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    • Publications of the Astronomical Society of Japan, Vol. 71, Issue 2
    • DOI: 10.1093/pasj/psz010

    Evolution of the f σ 8 tension with the Planck 15 / Λ CDM determination and implications for modified gravity theories
    journal, May 2018


    Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing
    journal, August 2018


    Dark Energy Survey Year 1 results: Cosmological constraints from cosmic shear
    journal, August 2018


    Consistency of modified gravity with a decreasing G eff ( z ) in a Λ CDM background
    journal, November 2018

    • Gannouji, Radouane; Kazantzidis, Lavrentios; Perivolaropoulos, Leandros
    • Physical Review D, Vol. 98, Issue 10
    • DOI: 10.1103/physrevd.98.104044

    New Estimator for Gravitational Lensing Using Galaxy and Intensity Mapping Surveys
    journal, January 2020


    Observational constraints on growth index with cosmography
    journal, August 2019


    Practical Weak-lensing Shear Measurement with Metacalibration
    journal, May 2017


    Full-sky Ray-tracing Simulation of Weak Lensing Using ELUCID Simulations: Exploring Galaxy Intrinsic Alignment and Cosmic Shear Correlations
    journal, January 2018


    Projection Effects of Large-scale Structures on Weak-lensing Peak Abundances
    journal, April 2018


    Constraints on Cosmology and Baryonic Feedback with the Deep Lens Survey Using Galaxy–Galaxy and Galaxy–Mass Power Spectra
    journal, January 2019

    • Yoon, Mijin; James Jee, M.; Anthony Tyson, J.
    • The Astrophysical Journal, Vol. 870, Issue 2
    • DOI: 10.3847/1538-4357/aaf3a9

    The Importance of Secondary Halos for Strong Lensing in Massive Galaxy Clusters across Redshift
    journal, June 2019

    • Li, Nan; Gladders, Michael D.; Heitmann, Katrin
    • The Astrophysical Journal, Vol. 878, Issue 2
    • DOI: 10.3847/1538-4357/ab1f74

    KiDS+VIKING-450: A new combined optical and near-infrared dataset for cosmology and astrophysics
    text, January 2019

    • Wright, Ah; Hildebrandt, H.; Kuijken, K.
    • Apollo - University of Cambridge Repository
    • DOI: 10.17863/cam.47370