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Reducing the Impact of Weak-lensing Errors on Gravitational-wave Standard Sirens
Zhao-Feng Wu, Lok W. L. Chan, Martin Hendry +1
The mergers of supermassive black hole binaries (SMBHBs) can serve as standard sirens: the gravitational wave (GW) analog of standard candles. The upcoming space-borne GW detectors…
Virgo Detector Characterization and Data Quality: tools
F. Acernese, M. Agathos, A. Ain +491
Detector characterization and data quality studies -- collectively referred to as {\em DetChar} activities in this article -- are paramount to the scientific exploitation of the jo…
Virgo Detector Characterization and Data Quality: results from the O3 run
F. Acernese, M. Agathos, A. Ain +491
The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave (GW) signals in the past few years, alongside the two Adv…
Extracting ultralight boson properties from boson clouds around post-merger remnants
Kelvin H. M. Chan, Otto A. Hannuksela
Ultralight bosons are a class of hypothetical particles that could potentially solve critical problems in fields ranging from cosmology to astrophysics and fundamental physics. If…
Deep Learning-based Search for Microlensing Signature from Binary Black Hole Events in GWTC-1 and -2
Kyungmin Kim, Joongoo Lee, Otto A. Hannuksela +1
We present the result of the first deep learning-based search for the signature of microlensing in gravitational waves. This search seeks the signature induced by lenses with masse…
Virgo Detector Characterization and Data Quality during the O3 run
F. Acernese, M. Agathos, A. Ain +491
The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave signals in the past few years, alongside the two LIGO ins…
On the detection and precise localisation of merging black holes events through strong gravitational lensing
Ewoud Wempe, Léon V. E. Koopmans, A. Renske A. C. Wierda +2
To unlock the full spectrum of astrophysical and cosmological applications of gravitational-wave detections, it is essential to localise the associated black-hole mergers to high p…
GOLUM: A fast and precise methodology to search for, and analyze, strongly lensed gravitational-wave events
Justin Janquart, Otto A. Hannuksela, K. Haris +1
Like light, gravitational waves can be gravitationally lensed by massive objects along their travel path. Strong lensing produces several images from the same binary coalescence an…
The Virgo O3 run and the impact of the environment
F. Acernese, M. Agathos, A. Ain +486
Sources of geophysical noise (such as wind, sea waves and earthquakes) or of anthropogenic noise impact ground-based gravitational-wave interferometric detectors, causing transient…
Lensing or luck? False alarm probabilities for gravitational lensing of gravitational waves
Mesut Çalışkan, Jose María Ezquiaga, Otto A. Hannuksela +1
Strong gravitational lensing of gravitational waves (GWs) has been forecasted to become detectable in the upcoming observing runs. However, definitively distinguishing pairs of len…