On the halo-mass and radial scale dependence of the lensing is low effect
Abstract
ABSTRACT The canonical Lambda cold dark matter (ΛCDM) cosmological model makes precise predictions for the clustering and lensing properties of galaxies. It has been shown that the lensing amplitude of galaxies in the Baryon Oscillation Spectroscopic Survey (BOSS) is lower than expected given their clustering properties. We present new measurements and modelling of galaxies in the BOSS LOWZ sample. We focus on the radial and stellar mass dependence of the lensing amplitude mismatch. We find an amplitude mismatch of around $$35{{\ \rm per\ cent}}$$ when assuming ΛCDM with Planck Cosmological Microwave Background (CMB) constraints. This offset is independent of halo mass and radial scale in the range Mhalo ∼ 1013.3−1013.9h−1 M⊙ and $$r=0.1\!-\!60 \, h^{-1} \mathrm{Mpc}$$ ($$k \approx 0.05\!-\!20 \, h \, {\rm Mpc}^{-1}$$). The observation that the offset is both mass and scale independent places important constraints on the degree to which astrophysical processes (baryonic effects, assembly bias) can fully explain the effect. This scale independence also suggests that the ‘lensing is low’ effect on small and large radial scales probably have the same physical origin. Resolutions based on new physics require a nearly uniform suppression, relative to ΛCDM predictions, of the amplitude of matter fluctuations on these scales. The possible causes of this are tightly constrained by measurements of the CMB and of the low-redshift expansion history.
- Authors:
-
[1];
[2];
[5];
[7]
- Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA, Kavli Institute for Particle Astrophysics and Cosmology and Department of Physics, Stanford University, CA 94305, USA
- Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064, USA
- 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
- Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Shanghai 200030, China
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
- Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA 19081, USA
- Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87106, USA
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); National Natural Science Foundation of China (NSFC); National Aeronautics and Space Administration (NASA); David and Lucille Packard Foundation; Alfred P. Sloan Foundation; Research Corporation
- OSTI Identifier:
- 1766595
- Alternate Identifier(s):
- OSTI ID: 1844522
- Grant/Contract Number:
- AC02-05CH1123; AC02-05CH11231; AST 1828315; SC0019301; 2009377; 80NSSC18K0728; AST 2008696
- 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: 502 Journal Issue: 2; Journal ID: ISSN 0035-8711
- Publisher:
- Oxford University Press
- Country of Publication:
- United Kingdom
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; cosmology; large scale structure of Universe; cosmological parameters; dark matter
Citation Formats
Lange, Johannes U., Leauthaud, Alexie, Singh, Sukhdeep, Guo, Hong, Zhou, Rongpu, Smith, Tristan L., and Cyr-Racine, Francis-Yan. On the halo-mass and radial scale dependence of the lensing is low effect. United Kingdom: N. p., 2021.
Web. doi:10.1093/mnras/stab189.
Lange, Johannes U., Leauthaud, Alexie, Singh, Sukhdeep, Guo, Hong, Zhou, Rongpu, Smith, Tristan L., & Cyr-Racine, Francis-Yan. On the halo-mass and radial scale dependence of the lensing is low effect. United Kingdom. https://doi.org/10.1093/mnras/stab189
Lange, Johannes U., Leauthaud, Alexie, Singh, Sukhdeep, Guo, Hong, Zhou, Rongpu, Smith, Tristan L., and Cyr-Racine, Francis-Yan. Sat .
"On the halo-mass and radial scale dependence of the lensing is low effect". United Kingdom. https://doi.org/10.1093/mnras/stab189.
@article{osti_1766595,
title = {On the halo-mass and radial scale dependence of the lensing is low effect},
author = {Lange, Johannes U. and Leauthaud, Alexie and Singh, Sukhdeep and Guo, Hong and Zhou, Rongpu and Smith, Tristan L. and Cyr-Racine, Francis-Yan},
abstractNote = {ABSTRACT The canonical Lambda cold dark matter (ΛCDM) cosmological model makes precise predictions for the clustering and lensing properties of galaxies. It has been shown that the lensing amplitude of galaxies in the Baryon Oscillation Spectroscopic Survey (BOSS) is lower than expected given their clustering properties. We present new measurements and modelling of galaxies in the BOSS LOWZ sample. We focus on the radial and stellar mass dependence of the lensing amplitude mismatch. We find an amplitude mismatch of around $35{{\ \rm per\ cent}}$ when assuming ΛCDM with Planck Cosmological Microwave Background (CMB) constraints. This offset is independent of halo mass and radial scale in the range Mhalo ∼ 1013.3−1013.9h−1 M⊙ and $r=0.1\!-\!60 \, h^{-1} \mathrm{Mpc}$ ($k \approx 0.05\!-\!20 \, h \, {\rm Mpc}^{-1}$). The observation that the offset is both mass and scale independent places important constraints on the degree to which astrophysical processes (baryonic effects, assembly bias) can fully explain the effect. This scale independence also suggests that the ‘lensing is low’ effect on small and large radial scales probably have the same physical origin. Resolutions based on new physics require a nearly uniform suppression, relative to ΛCDM predictions, of the amplitude of matter fluctuations on these scales. The possible causes of this are tightly constrained by measurements of the CMB and of the low-redshift expansion history.},
doi = {10.1093/mnras/stab189},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 2,
volume = 502,
place = {United Kingdom},
year = {Sat Jan 23 00:00:00 EST 2021},
month = {Sat Jan 23 00:00:00 EST 2021}
}
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