GRB cosmography with THESEUS

Journal
Date Issued
2018
Author(s)
Izzo, L.
•
Muccino, M.
•
Abstract
Gamma-ray Bursts can be used as distance indicators using the Combo relation. We show how the proposed THESEUS mission will allow us to investigate the evolution history of the Universe at high redshift with GRBs. Assuming that THESEUS will measure the redshift for 800 GRBs, we show that the accuracy on the cosmological parameters of the main cosmological models will greatly improve, so that we can use GRBs as additional and independent cosmological probes and also put strong constraints on the evolution of the dark energy equation of state parameter w(z).

Volume
89
Start page
192
Uri
Url
Issn Identifier
0037-8720
Ads BibCode
2018MmSAI..89..192I
Rights
open.access
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