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Title: Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing

Abstract

We present cosmological parameter constraints based on a joint modelling of galaxy–lensing cross-correlations and galaxy clustering measurements in the SDSS, marginalizing over small-scale modelling uncertainties using mock galaxy catalogues, without explicit modelling of galaxy bias. We show that our modelling method is robust to the impact of different choices for how galaxies occupy dark matter haloes and to the impact of baryonic physics (at the $$\sim 2{{\ \rm per\ cent}}$$ level in cosmological parameters) and test for the impact of covariance on the likelihood analysis and of the survey window function on the theory computations. Applying our results to the measurements using galaxy samples from BOSS and lensing measurements using shear from SDSS galaxies and CMB lensing from Planck, with conservative scale cuts, we obtain $$S_8\equiv \left(\frac{\sigma _8}{0.8228}\right)^{0.8}\left(\frac{\Omega _\mathrm{ m}}{0.307}\right)^{0.6}=0.85\pm 0.05$$ (stat.) using LOWZ × SDSS galaxy lensing, and S8 = 0.91 ± 0.1 (stat.) using combination of LOWZ and CMASS × Planck CMB lensing. We estimate the systematic uncertainty in the galaxy–galaxy lensing measurements to be $$\sim 6{{\ \rm per\ cent}}$$ (dominated by photometric redshift uncertainties) and in the galaxy–CMB lensing measurements to be $$\sim 3{{\ \rm per\ cent}}$$, from small-scale modelling uncertainties including baryonic physics.

Authors:
 [1]; ORCiD logo [2];  [3];  [4];  [5]
  1. Berkeley Center for Cosmological Physics, University of California, Berkeley, CA 94720, USA, McWilliams Center for Cosmology, Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
  2. McWilliams Center for Cosmology, Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA
  3. Berkeley Center for Cosmological Physics, University of California, Berkeley, CA 94720, USA
  4. Departamento de Física Teórica M8, Universidad Autónoma de Madrid (UAM), Cantoblanco, E-28049 Madrid, Spain
  5. Physics Department, Brookhaven National Laboratory, Upton, NY 11973, USA
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Aeronautics and Space Administration (NASA); Alfred P. Sloan Foundation; National Science Foundation (NSF)
OSTI Identifier:
1574551
Alternate Identifier(s):
OSTI ID: 1601335; OSTI ID: 1755500
Report Number(s):
BNL-213648-2020-JAAM
Journal ID: ISSN 0035-8711
Grant/Contract Number:  
SC0012704; NNX15AL17G; SC0010118
Resource Type:
Published Article
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 491 Journal Issue: 1; Journal ID: ISSN 0035-8711
Publisher:
Royal Astronomical Society
Country of Publication:
United Kingdom
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 79 ASTRONOMY AND ASTROPHYSICS; galaxies; evolution cosmology; observations of large-scale structure of Universe; gravitational lensing

Citation Formats

Singh, Sukhdeep, Mandelbaum, Rachel, Seljak, Uroš, Rodríguez-Torres, Sergio, and Slosar, Anže. Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing. United Kingdom: N. p., 2019. Web. doi:10.1093/mnras/stz2922.
Singh, Sukhdeep, Mandelbaum, Rachel, Seljak, Uroš, Rodríguez-Torres, Sergio, & Slosar, Anže. Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing. United Kingdom. https://doi.org/10.1093/mnras/stz2922
Singh, Sukhdeep, Mandelbaum, Rachel, Seljak, Uroš, Rodríguez-Torres, Sergio, and Slosar, Anže. Fri . "Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing". United Kingdom. https://doi.org/10.1093/mnras/stz2922.
@article{osti_1574551,
title = {Cosmological constraints from galaxy–lensing cross-correlations using BOSS galaxies with SDSS and CMB lensing},
author = {Singh, Sukhdeep and Mandelbaum, Rachel and Seljak, Uroš and Rodríguez-Torres, Sergio and Slosar, Anže},
abstractNote = {We present cosmological parameter constraints based on a joint modelling of galaxy–lensing cross-correlations and galaxy clustering measurements in the SDSS, marginalizing over small-scale modelling uncertainties using mock galaxy catalogues, without explicit modelling of galaxy bias. We show that our modelling method is robust to the impact of different choices for how galaxies occupy dark matter haloes and to the impact of baryonic physics (at the $\sim 2{{\ \rm per\ cent}}$ level in cosmological parameters) and test for the impact of covariance on the likelihood analysis and of the survey window function on the theory computations. Applying our results to the measurements using galaxy samples from BOSS and lensing measurements using shear from SDSS galaxies and CMB lensing from Planck, with conservative scale cuts, we obtain $S_8\equiv \left(\frac{\sigma _8}{0.8228}\right)^{0.8}\left(\frac{\Omega _\mathrm{ m}}{0.307}\right)^{0.6}=0.85\pm 0.05$ (stat.) using LOWZ × SDSS galaxy lensing, and S8 = 0.91 ± 0.1 (stat.) using combination of LOWZ and CMASS × Planck CMB lensing. We estimate the systematic uncertainty in the galaxy–galaxy lensing measurements to be $\sim 6{{\ \rm per\ cent}}$ (dominated by photometric redshift uncertainties) and in the galaxy–CMB lensing measurements to be $\sim 3{{\ \rm per\ cent}}$, from small-scale modelling uncertainties including baryonic physics.},
doi = {10.1093/mnras/stz2922},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 1,
volume = 491,
place = {United Kingdom},
year = {Fri Oct 18 00:00:00 EDT 2019},
month = {Fri Oct 18 00:00:00 EDT 2019}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1093/mnras/stz2922

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Cited by: 34 works
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Figures / Tables:

Figure 1 Figure 1: Galaxy-matter cross-correlation coefficient $r_{cc}$ estimates from mock galaxy catalogs with different satellite fractions (see Section 4.2) and parametric model fits from eq. (26). Closed triangles show the $r_{cc}$ estimates using the $Υ$ estimator and open circles are using the $Σ$. This plot illustrates that the functional form adoptedmore » is sufficiently flexible to describe the behavior found in simulations, but we stress that the detailed form of $r_{cc}$ is not important, as we find small shifts (≲ 0.3$σ$) in our results for cosmological parameters even when assuming $r_{cc}$ = 1 on all scales used.« less

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  • The Astrophysical Journal, Vol. 412
  • DOI: 10.1086/172900

Probing gravity with a joint analysis of galaxy and CMB lensing and SDSS spectroscopy
journal, October 2018

  • Singh, Sukhdeep; Alam, Shadab; Mandelbaum, Rachel
  • Monthly Notices of the Royal Astronomical Society, Vol. 482, Issue 1
  • DOI: 10.1093/mnras/sty2681

Clustering in real space and in redshift space
journal, July 1987

  • Kaiser, Nick
  • Monthly Notices of the Royal Astronomical Society, Vol. 227, Issue 1
  • DOI: 10.1093/mnras/227.1.1

Introducing the Illustris project: the evolution of galaxy populations across cosmic time
journal, September 2014

  • Genel, Shy; Vogelsberger, Mark; Springel, Volker
  • Monthly Notices of the Royal Astronomical Society, Vol. 445, Issue 1
  • DOI: 10.1093/mnras/stu1654

Constraining gravity at the largest scales through CMB lensing and galaxy velocities
journal, May 2016

  • Pullen, Anthony R.; Alam, Shadab; He, Siyu
  • Monthly Notices of the Royal Astronomical Society, Vol. 460, Issue 4
  • DOI: 10.1093/mnras/stw1249

The Ninth data Release of the Sloan Digital sky Survey: First Spectroscopic data from the Sdss-Iii Baryon Oscillation Spectroscopic Survey
journal, November 2012

  • Ahn, Christopher P.; Alexandroff, Rachael; Allende Prieto, Carlos
  • The Astrophysical Journal Supplement Series, Vol. 203, Issue 2
  • DOI: 10.1088/0067-0049/203/2/21