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Blip glitches in Advanced LIGO data

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arxiv 1901.05093 v2 pith:VI3GZCHV submitted 2019-01-16 physics.ins-det

Miriam Cabero , Andrew Lundgren , Alex H. Nitz , Thomas Dent , David Barker , Evan Goetz , Jeff S. Kissel , Laura K. Nuttall
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Paul Schale Robert Schofield Derek Davis
This is my paper
classification physics.ins-det
keywords glitchesblipdataadvancedgravitational-waveligoshortapproximately
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Blip glitches are short noise transients present in data from ground-based gravitational-wave observatories. These glitches resemble the gravitational-wave signature of massive binary black hole mergers. Hence, the sensitivity of transient gravitational-wave searches to such high-mass systems and other potential short duration sources is degraded by the presence of blip glitches. The origin and rate of occurrence of this type of glitch have been largely unknown. In this paper we explore the population of blip glitches in Advanced LIGO during its first and second observing runs. On average, we find that Advanced LIGO data contains approximately two blip glitches per hour of data. We identify four subsets of blip glitches correlated with detector auxiliary or environmental sensor channels, however the physical causes of the majority of blips remain unclear.

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Cited by 5 Pith papers

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