Archival searches for stellar-mass binary black holes in LISA data

Stellar-mass binary black holes will sweep through the frequency band of the Laser Interferometer Space Antenna (LISA) for months to years before appearing in the audio-band of ground-based gravitational-wave detectors. One can expect several tens of these events up to a distance of 500 Mpc each yea...

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Bibliographic Details
Published in:Physical review. D 2021-01, Vol.103 (2), p.1, Article 023025
Main Authors: Ewing, Becca, Sachdev, Surabhi, Borhanian, Ssohrab, Sathyaprakash, B. S.
Format: Article
Language:English
Subjects:
Binary stars
Black holes
Detectors
Frequencies
Gravitation
Gravitational waves
LISA (antenna)
Searching
Sensors
Signal to noise ratio
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Summary:Stellar-mass binary black holes will sweep through the frequency band of the Laser Interferometer Space Antenna (LISA) for months to years before appearing in the audio-band of ground-based gravitational-wave detectors. One can expect several tens of these events up to a distance of 500 Mpc each year. The LISA signal-to-noise ratio for such sources even at these close distances will be too small for a blind search to confidently detect them. However, next generation ground-based gravitational-wave detectors, expected to be operational at the time of LISA, will observe them with signal-to-noise ratios of several thousands and measure their parameters very accurately. We show that such high fidelity observations of these sources by ground-based detectors help in archival searches to dig tens of signals out of LISA data each year.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.103.023025