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Event rate estimates for LISA extreme mass ratio capture sources

Event rate estimates for LISA extreme mass ratio capture sources
Event rate estimates for LISA extreme mass ratio capture sources
One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The large inspiral parameter space and low amplitude of the signal makes detection of these sources computationally challenging. We outline here a first cut data analysis scheme that assumes realistic computational resources. In the context of this scheme, we estimate the signal-to-noise ratio that a source requires to pass our thresholds and be detected. Combining this with an estimate of the population of sources in the Universe, we estimate the number of inspiral events that LISA could detect. The preliminary results are very encouraging -- with the baseline design, LISA can see inspirals out to a redshift z=1 and should detect over a thousand events during the mission lifetime.
0264-9381
S1595-S1606
Gair, Jonathan R.
110d2392-5a9e-421f-b863-63b1a9b7c601
Barack, Leor
f08e66d4-c2f7-4f2f-91b8-f2c4230d0298
Creighton, Teviet
74a98766-b577-461d-8267-6ed46ac58126
Cutler, Curt
9eca2575-4534-4c13-8bb4-a933ddef959b
Larson, Shane L.
7628fbee-c900-4b66-ab0a-d2088347cc44
Phinney, E. Sterl
b4642783-3f3b-46a9-8a7e-816cd43d58fc
Vallisneri, Michele
df40b051-2c93-4efa-acff-99ca5c38bf78
Gair, Jonathan R.
110d2392-5a9e-421f-b863-63b1a9b7c601
Barack, Leor
f08e66d4-c2f7-4f2f-91b8-f2c4230d0298
Creighton, Teviet
74a98766-b577-461d-8267-6ed46ac58126
Cutler, Curt
9eca2575-4534-4c13-8bb4-a933ddef959b
Larson, Shane L.
7628fbee-c900-4b66-ab0a-d2088347cc44
Phinney, E. Sterl
b4642783-3f3b-46a9-8a7e-816cd43d58fc
Vallisneri, Michele
df40b051-2c93-4efa-acff-99ca5c38bf78

Gair, Jonathan R., Barack, Leor, Creighton, Teviet, Cutler, Curt, Larson, Shane L., Phinney, E. Sterl and Vallisneri, Michele (2004) Event rate estimates for LISA extreme mass ratio capture sources. Classical and Quantum Gravity, 21, S1595-S1606. (doi:10.1088/0264-9381/21/20/003).

Record type: Article

Abstract

One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The large inspiral parameter space and low amplitude of the signal makes detection of these sources computationally challenging. We outline here a first cut data analysis scheme that assumes realistic computational resources. In the context of this scheme, we estimate the signal-to-noise ratio that a source requires to pass our thresholds and be detected. Combining this with an estimate of the population of sources in the Universe, we estimate the number of inspiral events that LISA could detect. The preliminary results are very encouraging -- with the baseline design, LISA can see inspirals out to a redshift z=1 and should detect over a thousand events during the mission lifetime.

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Published date: 2004

Identifiers

Local EPrints ID: 29370
URI: http://eprints.soton.ac.uk/id/eprint/29370
ISSN: 0264-9381
PURE UUID: 04b2086b-d598-4e5e-8b12-1d479c7cfc64
ORCID for Leor Barack: ORCID iD orcid.org/0000-0003-4742-9413

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Date deposited: 11 May 2006
Last modified: 08 Jan 2022 03:01

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Contributors

Author: Jonathan R. Gair
Author: Leor Barack ORCID iD
Author: Teviet Creighton
Author: Curt Cutler
Author: Shane L. Larson
Author: E. Sterl Phinney
Author: Michele Vallisneri

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