LIGO Document G1802340-v2

The impact of LIGO noise transients on accurate gravitational-wave event skymaps

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Frequent transient noise artifacts, or 'glitches', in Advanced LIGO data limit the sensitivity of gravitational wave (GW) searches, and in cases of overlap, can bias the estimation of the astrophysical parameters of GW sources. We explore the effect of common classes of transient noise in the Advanced LIGO detectors on the parameter estimation of compact object mergers, including accurate sky location, and the prospects for rapidly informing gravitational-wave candidate event alerts of noise bias effects.
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