Feeney, SM;
Peiris, H;
Nissanke, SM;
Mortlock, DJ;
(2021)
Prospects for Measuring the Hubble Constant with Neutron-Star-Black-Hole Mergers.
Physical Review Letters
, 126
(17)
, Article 171102. 10.1103/PhysRevLett.126.171102.
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Abstract
Gravitational wave (GW) and electromagnetic (EM) observations of neutron-star-black-hole (NSBH) mergers can provide precise local measurements of the Hubble constant ( H 0 ), ideal for resolving the current H 0 tension. We perform end-to-end analyses of realistic populations of simulated NSBHs, incorporating both GW and EM selection for the first time. We show that NSBHs could achieve unbiased 1.5%–2.4% precision H 0 estimates by 2030. The achievable precision is strongly affected by the details of spin precession and tidal disruption, highlighting the need for improved modeling of NSBH mergers.
| Type: | Article |
|---|---|
| Title: | Prospects for Measuring the Hubble Constant with Neutron-Star-Black-Hole Mergers |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.126.171102 |
| Publisher version: | https://doi.org/10.1103/PhysRevLett.126.171102 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher's terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10127281 |
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