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Journal Article

The Virgo O3 run and the impact of the environment


Mukund,  N.
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Acernese, F., Agathos, M., Ain, A., Albanesi, S., Allocca, A., Amato, A., et al. (2022). The Virgo O3 run and the impact of the environment. Classical and Quantum Gravity, 39(23): 235009. doi:10.1088/1361-6382/ac776a.

Cite as: https://hdl.handle.net/21.11116/0000-000C-3585-2
Sources of geophysical noise (such as wind, sea waves and earthquakes) or of
anthropogenic noise impact ground-based gravitational-wave interferometric
detectors, causing transient sensitivity worsening and gaps in data taking.
During the one year-long third Observing Run (O3: from April 01, 2019 to March
27, 2020), the Virgo Collaboration collected a statistically significant
dataset, used in this article to study the response of the detector to a
variety of environmental conditions. We correlated environmental parameters to
global detector performance, such as observation range, duty cycle and control
losses. Where possible, we identified weaknesses in the detector that will be
used to elaborate strategies in order to improve Virgo robustness against
external disturbances for the next data taking period, O4, currently planned to
start at the end of 2022. The lessons learned could also provide useful
insights for the design of the next generation of ground-based interferometers.