Improving the sensitivity of Advanced LIGO using noise subtraction

被引：85

作者：

Davis, Derek ^{[1
]}

Massinger, Thomas ^{[2
]}

Lundgren, Andrew ^{[3
]}

Driggers, Jennifer C. ^{[2
]}

Urban, Alex L. ^{[4
]}

Nuttall, Laura ^{[3
,5
]}

机构：

[1] Syracuse Univ, Syracuse, NY 13244 USA

[2] CALTECH, Pasadena, CA 91125 USA

[3] Univ Portsmouth, Portsmouth PO1 2UP, Hants, England

[4] Louisiana State Univ, Baton Rouge, LA 70803 USA

[5] Cardiff Univ, Cardiff CF24 3AA, S Glam, Wales

来源：

CLASSICAL AND QUANTUM GRAVITY | 2019年 / 36卷 / 05期

基金：

美国国家科学基金会; 欧盟地平线“2020”; 澳大利亚研究理事会;

关键词：

gravitational waves; detector characterization; noise subtraction; SYSTEM;

D O I：

10.1088/1361-6382/ab01c5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

This paper presents an adaptable, parallelimble method for subtracting linearly coupled noise from Advanced LIGO data. We explain the features developed to ensure that the process is robust enough to handle the variability present in Advanced LIGO data. In this work, we target subtraction of noise due to beam jitter, detector calibration lines, and mains power lines. We demonstrate noise subtraction over the entirety of the second observing run, resulting in increases in sensitivity comparable to those reported in previous targeted efforts. Over the course of the second observing run, we see a 30% increase in Advanced LIGO sensitivity to gravitational waves from a broad range of compact binary systems. We expect the use of this method to result in a higher rate of detected gravitational-wave signals in Advanced LIGO data.

引用

页数：14

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