Cosmography with Standard Sirens from the Einstein Telescope

2021/10/31 by Josiel Mendonça Soares de Souza, Riccardo Sturani, J. S. Alcaniz +1 · 22 citations
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Cosmic Phenomena #Classical mechanics #Einstein #Einstein Telescope #Galaxies: Formation, Evolution, Phenomena #Gamma-ray bursts and supernovae #Gravitational wave #Physics #Theoretical physics #astro-ph.CO #gr-qc

paper · pdf · open access · doi:10.1088/1475-7516/2022/03/025

published in Journal of Cosmology and Astroparticle Physics 2022(03), 025 (Institute of Physics)

openalex publication_date 2022/03/01 · arxiv created 2022/03/10 · arxiv updated 2022/03/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

We discuss the power of third-generation gravitational wave detectors to constrain cosmographic parameters in the case of electromagnetically bright standard sirens focusing on the specific case of the Einstein Telescope. We analyze the impact that the redshift source distribution, the number of detections and the observational error in the luminosity distance have on the inference of the first cosmographic parameters, and show that with a few hundreds detections the Hubble constant can be recovered at sub-percent level whereas the deceleration parameter at a few percent level, both with negligible bias.

Citations

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