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Title: Cosmological constraints from higher redshift gamma-ray burst, H  ii starburst galaxy, and quasar (and other) data

Abstract

ABSTRACT We use higher redshift gamma-ray burst (GRB), H ii starburst galaxy (H iiG), and quasar angular size (QSO-AS) measurements to constrain six spatially flat and non-flat cosmological models. These three sets of cosmological constraints are mutually consistent. Cosmological constraints from a joint analysis of these data sets are largely consistent with currently accelerating cosmological expansion and with cosmological constraints derived from a combined analysis of Hubble parameter (H(z)) and baryon acoustic oscillation (BAO, with Planck-determined baryonic matter density) measurements. A joint analysis of the H(z) + BAO + QSO-AS + H iiG + GRB data provides fairly model-independent determinations of the non-relativistic matter density parameter $$\Omega _{\rm m_0}=0.313\pm 0.013$$ and the Hubble constant $$H_0=69.3\pm 1.2\, \rm {km \, s^{-1} \, Mpc^{-1}}$$. These data are consistent with the dark energy being a cosmological constant and with spatial hypersurfaces being flat, but they do not rule out mild dark energy dynamics or a little spatial curvature. We also investigate the effect of including quasar flux measurements in the mix and find no novel conclusions.

Authors:
ORCiD logo [1];  [1];  [1];  [1]
  1. Department of Physics, Kansas State University, 116 Cardwell Hall, Manhattan, KS 66502, USA
Publication Date:
Research Org.:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1755254
Alternate Identifier(s):
OSTI ID: 1851556
Grant/Contract Number:  
SC0011840
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: 501 Journal Issue: 1; Journal ID: ISSN 0035-8711
Publisher:
Oxford University Press
Country of Publication:
United Kingdom
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics; cosmological parameters; dark energy; cosmology: observations

Citation Formats

Cao, Shulei, Ryan, Joseph, Khadka, Narayan, and Ratra, Bharat. Cosmological constraints from higher redshift gamma-ray burst, H  ii starburst galaxy, and quasar (and other) data. United Kingdom: N. p., 2020. Web. doi:10.1093/mnras/staa3748.
Cao, Shulei, Ryan, Joseph, Khadka, Narayan, & Ratra, Bharat. Cosmological constraints from higher redshift gamma-ray burst, H  ii starburst galaxy, and quasar (and other) data. United Kingdom. https://doi.org/10.1093/mnras/staa3748
Cao, Shulei, Ryan, Joseph, Khadka, Narayan, and Ratra, Bharat. Thu . "Cosmological constraints from higher redshift gamma-ray burst, H  ii starburst galaxy, and quasar (and other) data". United Kingdom. https://doi.org/10.1093/mnras/staa3748.
@article{osti_1755254,
title = {Cosmological constraints from higher redshift gamma-ray burst, H  ii starburst galaxy, and quasar (and other) data},
author = {Cao, Shulei and Ryan, Joseph and Khadka, Narayan and Ratra, Bharat},
abstractNote = {ABSTRACT We use higher redshift gamma-ray burst (GRB), H ii starburst galaxy (H iiG), and quasar angular size (QSO-AS) measurements to constrain six spatially flat and non-flat cosmological models. These three sets of cosmological constraints are mutually consistent. Cosmological constraints from a joint analysis of these data sets are largely consistent with currently accelerating cosmological expansion and with cosmological constraints derived from a combined analysis of Hubble parameter (H(z)) and baryon acoustic oscillation (BAO, with Planck-determined baryonic matter density) measurements. A joint analysis of the H(z) + BAO + QSO-AS + H iiG + GRB data provides fairly model-independent determinations of the non-relativistic matter density parameter $\Omega _{\rm m_0}=0.313\pm 0.013$ and the Hubble constant $H_0=69.3\pm 1.2\, \rm {km \, s^{-1} \, Mpc^{-1}}$. These data are consistent with the dark energy being a cosmological constant and with spatial hypersurfaces being flat, but they do not rule out mild dark energy dynamics or a little spatial curvature. We also investigate the effect of including quasar flux measurements in the mix and find no novel conclusions.},
doi = {10.1093/mnras/staa3748},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 1,
volume = 501,
place = {United Kingdom},
year = {Thu Dec 03 00:00:00 EST 2020},
month = {Thu Dec 03 00:00:00 EST 2020}
}

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