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Prospects for observing and localizing gravitational-wave transients with advanced LIGO and advanced Virgo

Prospects for observing and localizing gravitational-wave transients with advanced LIGO and advanced Virgo
Prospects for observing and localizing gravitational-wave transients with advanced LIGO and advanced Virgo
We present a possible observing scenario for the Advanced LIGO and Advanced Virgo 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 determine the expected 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 considered the most promising 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 deg2 to 20 deg2 will require at least three detectors of sensitivity within a factor of ∼ 2 of each other and with a broad frequency bandwidth. Should the third LIGO detector be relocated to India as expected, a significant fraction of gravitational-wave signals will be localized to a few square degrees by gravitational-wave observations alone.
1433-8351
Ashton, Gregory
805bcbfd-ae8a-46b2-8297-f3142c3d0e7e
B.P., Abbot
20b32f53-5355-40eb-9d69-91c95d56e693
The LIGO Scientific Collaboration
Virgo Collaboration
Ashton, Gregory
805bcbfd-ae8a-46b2-8297-f3142c3d0e7e
B.P., Abbot
20b32f53-5355-40eb-9d69-91c95d56e693

Ashton, Gregory and B.P., Abbot , The LIGO Scientific Collaboration and Virgo Collaboration (2016) Prospects for observing and localizing gravitational-wave transients with advanced LIGO and advanced Virgo. Living Reviews in Relativity, 19 (1). (doi:10.1007/lrr-2016-1).

Record type: Article

Abstract

We present a possible observing scenario for the Advanced LIGO and Advanced Virgo 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 determine the expected 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 considered the most promising 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 deg2 to 20 deg2 will require at least three detectors of sensitivity within a factor of ∼ 2 of each other and with a broad frequency bandwidth. Should the third LIGO detector be relocated to India as expected, a significant fraction of gravitational-wave signals will be localized to a few square degrees by gravitational-wave observations alone.

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Accepted/In Press date: 22 January 2016
e-pub ahead of print date: 8 February 2016
Published date: December 2016

Identifiers

Local EPrints ID: 420624
URI: https://eprints.soton.ac.uk/id/eprint/420624
ISSN: 1433-8351
PURE UUID: dae2c0a7-cd48-4122-a059-ee721d4f6446

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Date deposited: 11 May 2018 16:30
Last modified: 10 May 2019 16:30

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Contributors

Author: Gregory Ashton
Author: Abbot B.P.

University divisions

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