Header

UZH-Logo

Maintenance Infos

Gravitational waves from black-hole encounters: Prospects for ground and galaxy-based observatories


Dandapat, Subhajit; Ebersold, Michael; Susobhanan, Abhimanyu; Rana, Prerna; Gopakumar, A; Tiwari, Shubhanshu; Haney, Maria; Lee, Hyung Mok; Kolhe, Neel (2023). Gravitational waves from black-hole encounters: Prospects for ground and galaxy-based observatories. Physical review D, 108(2):024013.

Abstract

Close hyperbolic encounters of black holes (BHs) generate certain burst with memory (BWM) events in the frequency windows of the operational, planned, and proposed gravitational wave (GW) observatories. We present detailed explorations of the detectable parameter space of such events that are relevant for the LIGO-Virgo-KAGRA and the International Pulsar Timing Array (IPTA) consortia. The underlying temporally evolving GW polarization states are adapted from Cho et al. [Phys. Rev. D 98, 024039 (2018)] and therefore incorporate general relativistic effects up to the third post-Newtonian order. Further, we provide a prescription to ensure the validity of our waveform family while describing close encounters. Preliminary investigations reveal that optimally placed BWM events should be visible to megaparsec distances for the existing ground-based observatories. In contrast, maturing IPTA datasets should be able to provide constraints on the occurrences of such hyperbolic encounters of supermassive BHs to gigaparsec distances.

Abstract

Close hyperbolic encounters of black holes (BHs) generate certain burst with memory (BWM) events in the frequency windows of the operational, planned, and proposed gravitational wave (GW) observatories. We present detailed explorations of the detectable parameter space of such events that are relevant for the LIGO-Virgo-KAGRA and the International Pulsar Timing Array (IPTA) consortia. The underlying temporally evolving GW polarization states are adapted from Cho et al. [Phys. Rev. D 98, 024039 (2018)] and therefore incorporate general relativistic effects up to the third post-Newtonian order. Further, we provide a prescription to ensure the validity of our waveform family while describing close encounters. Preliminary investigations reveal that optimally placed BWM events should be visible to megaparsec distances for the existing ground-based observatories. In contrast, maturing IPTA datasets should be able to provide constraints on the occurrences of such hyperbolic encounters of supermassive BHs to gigaparsec distances.

Statistics

Citations

Dimensions.ai Metrics

Altmetrics

Downloads

0 downloads since deposited on 01 Jan 2024
0 downloads since 12 months

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Language:English
Date:10 July 2023
Deposited On:01 Jan 2024 14:52
Last Modified:28 Jun 2024 03:32
Publisher:American Physical Society
ISSN:2470-0010
OA Status:Closed
Publisher DOI:https://doi.org/10.1103/physrevd.108.024013
Project Information:
  • : FunderNederlandse Organisatie voor Wetenschappelijk Onderzoek
  • : Grant ID
  • : Project Title