Cited by 95Cosmology and Gravitation TheoriesGamma-ray bursts and supernovaeGalaxies: Formation, Evolution, Phenomena

Cosmological Constraints from Type Ia Supernovae Peculiar Velocity Measurements

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Gordon, C., Land, K., Slosar, A.·2007·Physical Review Letters

Abstract

We detect the correlated peculiar velocities of nearby type Ia supernovae (SNe), while highlighting an error in some of the literature. We find sigma8 = 0.79 +/- 0.22 from SNe, and examine the potential of this method to constrain cosmological parameters in the future. We demonstrate that a survey of 300 low-z SNe (such as the nearby SNfactory) will underestimate the errors on w by approximately 35% if the coherent peculiar velocities are not included.

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Crossref · 10.1103/physrevlett.99.081301

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  • This SN sample can be used as a tracer of large-scale structure through peculiar velocities, weak lensing of SN brightnesses, local bulk flow, and low-redshift isotropy constraints.

    “This sample of SNe can be used as a tracer of large-scale structure by directly probing the gravitational potential of structure through inferences of their peculiar velocities ( Gordon et al. 2007; Bhattacharya et al. 2011; Howlett et al. 2017 ) , WL of SN brightnesses ( Dodelson & Vallinotto 2006; Quartin et al. 2014; Macaulay et al. 2017; Scovacricchi et al. 2017 ) , and the local bulk fl”

    From LSST: From Science Drivers to Reference Design and Anticipated Data Products (2019) · cites this paper as Gordon et al. 2007

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Authors
Gordon, C., Land, K., & Slosar, A.
Affiliations
University of Oxford (GB)
Venue
Physical Review Letters
Published
2007-08-20
Volume
99
Issue
8
Pages
081301-081301
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W1969030169
Cited by
95
References
28
Citations by year
2026: 5 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 9 · 2021: 7 · 2020: 6 · 2019: 5 · 2018: 2 · 2017: 7 · 2016: 6 · 2015: 2 · 2014: 6 · 2013: 5 · 2012: 3
FWCI
3.19
Type
journal article
Language
en
Open access
Locations
  • Physical Review Letters (publishedVersion)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Gamma-ray bursts and supernovae
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Galaxies: Formation, Evolution, Phenomena
Keywords
Type Ia supernovae, peculiar velocities, cosmological constraints, sigma_8, dark energy equation of state, low-redshift supernovae
MeSH terms
Astronomy, Humans, Light

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