Gamma-ray burst cosmology

FY Wang, ZG Dai, EW Liang - New Astronomy Reviews, 2015 - Elsevier
Gamma-ray bursts (GRBs) are the most luminous electromagnetic explosions in the
Universe, which emit up to 8.8× 10 54 erg isotropic equivalent energy in the hard X-ray …

[HTML][HTML] Cosmology with gamma-ray bursts-I. The Hubble diagram through the calibrated Ep, i–Eiso correlation

M Demianski, E Piedipalumbo, D Sawant… - Astronomy & …, 2017 - aanda.org
Context. Gamma-ray bursts (GRBs) are the most energetics explosions in the Universe.
They are detectable up to very high redshifts. They may therefore be used to study the …

Do gamma-ray burst measurements provide a useful test of cosmological models?

N Khadka, O Luongo, M Muccino… - Journal of Cosmology …, 2021 - iopscience.iop.org
We study eight different gamma-ray burst (GRB) data sets to examine whether current GRB
measurements—that probe a largely unexplored part of cosmological redshift (z) space …

Calibrating gamma-ray bursts by using a Gaussian process with type ia supernovae

N Liang, Z Li, X Xie, P Wu - The Astrophysical Journal, 2022 - iopscience.iop.org
In this paper, we calibrate the Amati relation (the E p–E iso correlation) of gamma-ray bursts
(GRBs) in a cosmology-independent way. By using a Gaussian process to reconstruct the …

A complete catalog of Swift gamma-ray burst spectra and durations: demise of a physical origin for pre-Swift high-energy correlations

NR Butler, D Kocevski, JS Bloom… - The Astrophysical …, 2007 - iopscience.iop.org
We calculate durations and spectral parameters for 218 Swift bursts detected by the BAT
instrument between and including gamma-ray bursts (GRBs) 041220 and 070509, including …

A complete sample of bright Swift long gamma-ray bursts: testing the spectral-energy correlations

L Nava, R Salvaterra, G Ghirlanda… - Monthly Notices of …, 2012 - academic.oup.com
We use a nearly complete sample of gamma-ray bursts (GRBs) detected by the Swift
satellite to study the correlations between the spectral peak energy E peak of the prompt …

A cosmology-independent calibration of gamma-ray burst luminosity relations and the Hubble diagram

N Liang, WK Xiao, Y Liu, SN Zhang - The Astrophysical Journal, 2008 - iopscience.iop.org
An important concern in the application of gamma-ray bursts (GRBs) to cosmology is that the
calibration of GRB luminosity/energy relations depends on the cosmological model, due to …

The improved Amati correlations from Gaussian copula

Y Liu, F Chen, N Liang, Z Yuan, H Yu… - The Astrophysical …, 2022 - iopscience.iop.org
In this paper, we present two improved Amati correlations of gamma-ray burst (GRB) data
via a powerful statistical tool called copula. After calibrating with the low-redshift GRB data …

Star formation history up to z= 7.4: implications for gamma-ray bursts and cosmic metallicity evolution

LX Li - Monthly Notices of the Royal Astronomical Society, 2008 - academic.oup.com
The current Swift sample of gamma-ray bursts (GRBs) with measured redshifts allows us to
test the assumption that GRBs trace star formation in the Universe. Some authors have …

Spectral analysis of Fermi-LAT gamma-ray bursts with known redshift and their potential use as cosmological standard candles

FF Dirirsa, S Razzaque, F Piron, M Arimoto… - The Astrophysical …, 2019 - iopscience.iop.org
Long duration gamma-ray bursts may serve as standard candles to constrain cosmological
parameters by probing the Hubble diagram well beyond the range of redshift currently …