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Journal Article

Real-time Search for Compact Binary Mergers in Advanced LIGO and Virgo's Third Observing Run Using PyCBC Live

MPS-Authors

Dal Canton,  Tito
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons214778

Nitz,  Alexander H.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons231042

Gadre,  Bhooshan
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons145567

Harry,  Ian
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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2008.07494.pdf
(Preprint), 2MB

Dal_Canton_2021_ApJ_923_254.pdf
(Publisher version), 2MB

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Citation

Dal Canton, T., Nitz, A. H., Gadre, B., Davies, G. S., Villa-Ortega, V., Dent, T., et al. (2021). Real-time Search for Compact Binary Mergers in Advanced LIGO and Virgo's Third Observing Run Using PyCBC Live. The Astrophysical Journal, 923(2): 254. doi:10.3847/1538-4357/ac2f9a.


Cite as: https://hdl.handle.net/21.11116/0000-0006-F7FA-A
Abstract
The third observing run of Advanced LIGO and Advanced Virgo took place
between April 2019 and March 2020 and resulted in dozens of gravitational-wave
candidates and three published detections to date. A crucial requirement of the
third observing run has been the rapid identification and public reporting of
compact binary mergers, which enabled massive followup observation campaigns
with electromagnetic and neutrino observatories. PyCBC Live is a low-latency
search for compact binary mergers based on frequency-domain matched filtering,
which has been used during the second and third observing runs, together with
other low-latency analyses, to generate these rapid alerts from the data
acquired by LIGO and Virgo. This paper describes and evaluates the improvements
made to PyCBC Live after the second observing run, which defined its operation
and performance during the third observing run.