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Gravitational-wave observatories become more sensitive with each observingrun, increasing the number of detected gravitational-wave signals. A limitingfactor in identifying these signals is the presence of transient non-Gaussiannoise, which generates glitches that can mimic gravitational wave signals. Ourwork provides a quasi-physical model waveform for the four most common types ofshort transient glitches, which are particularly problematic in the search forhigh-mass black hole binaries. Our model has only a few, physicallyinterpretable parameters: central frequency, bandwidth, phase, amplitude andtime. We demonstrate the accuracy of this model by fitting and removing a largesample of glitches from a month of LIGO and Virgo data from the O3 observingrun. We can effectively remove three of the four types of short transients. Wefinally map the ability of these glitches to mimic binary black hole signals.

Antiglitch: a Quasi-physical Model for Removing Short Glitches from LIGO and Virgo Data