Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA

KAGRA Collaboration, LIGO Scientific Collaboration and Virgo Collaboration

Research output: Contribution to journalReview article

161 Citations (Scopus)

Abstract

We present possible observing scenarios for the Advanced LIGO, Advanced Virgo and KAGRA gravitational-wave detectors over the next decade, with the intention of providing information to the astronomy community to facilitate planning for multi-messenger astronomy with gravitational waves. We estimate the sensitivity of the network to transient gravitational-wave signals, and study the capability of the network to determine the sky location of the source. We report our findings for gravitational-wave transients, with particular focus on gravitational-wave signals from the inspiral of binary neutron star systems, which are the most promising targets for multi-messenger astronomy. The ability to localize the sources of the detected signals depends on the geographical distribution of the detectors and their relative sensitivity, and 90 % credible regions can be as large as thousands of square degrees when only two sensitive detectors are operational. Determining the sky position of a significant fraction of detected signals to areas of 5–20deg2 requires at least three detectors of sensitivity within a factor of ∼ 2 of each other and with a broad frequency bandwidth. When all detectors, including KAGRA and the third LIGO detector in India, reach design sensitivity, a significant fraction of gravitational-wave signals will be localized to a few square degrees by gravitational-wave observations alone.

Original languageEnglish (US)
Article number3
JournalLiving Reviews in Relativity
Volume21
Issue number1
DOIs
StatePublished - Dec 1 2018

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LIGO (observatory)
gravitational waves
detectors
astronomy
sensitivity
sky
binary stars
India
neutron stars
planning
bandwidth
estimates

Keywords

  • Data analysis
  • Electromagnetic counterparts
  • Gravitational waves
  • Gravitational-wave detectors

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA. / KAGRA Collaboration, LIGO Scientific Collaboration and Virgo Collaboration.

In: Living Reviews in Relativity, Vol. 21, No. 1, 3, 01.12.2018.

Research output: Contribution to journalReview article

KAGRA Collaboration, LIGO Scientific Collaboration and Virgo Collaboration. / Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA. In: Living Reviews in Relativity. 2018 ; Vol. 21, No. 1.
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KW - Electromagnetic counterparts

KW - Gravitational waves

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