ArchEnemy: Removing scattered-light glitches from gravitational wave data

Arthur E. Tolley, Gareth S. Cabourn Davies, Ian W. Harry, Andrew P. Lundgren

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Abstract

Data recorded by gravitational wave detectors includes many non-astrophysical transient noise bursts, the most common of which is caused by scattered-light within the detectors. These so-called 'glitches' in the data impact the ability to both observe and characterize incoming gravitational wave signals. In this work we use a scattered-light glitch waveform model to identify and characterize scattered-light glitches in a representative stretch of gravitational wave data. We identify 2749 scattered-light glitches in 5.96 days of LIGO-Hanford data and 1306 glitches in 5.93 days of LIGO-Livingston data taken from the third LIGO-Virgo observing run. By subtracting identified scattered-light glitches we demonstrate an increase in the sensitive volume of a gravitational wave search for binary black hole signals by ∼1%
Original languageEnglish
Article number165005
Number of pages29
JournalClassical and Quantum Gravity
Volume40
DOIs
Publication statusPublished - 17 Jul 2023

Keywords

  • gr-qc
  • ArchEnemy
  • scattered-light
  • LIGO
  • interferometry
  • detector characterization
  • glitch subtraction
  • UKRI
  • STFC
  • ST/V506977/1
  • ST/T000333/1
  • ST/V005715/1
  • ST/I006285/1

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