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Strathprints

Improving astrophysical parameter estimation via offline noise subtraction for Advanced LIGO

Driggers, J. C. and Hall, E. D. and Hanson, J. and Hough, J. and Liu, J. and Smith, B. and Lockerbie, N. A. and Zhang, L., LIGO Scientific Collaboration (2019) Improving astrophysical parameter estimation via offline noise subtraction for Advanced LIGO. Physical Review D, 99 (4). ISSN 1550-2368

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Abstract

The Advanced LIGO detectors have recently completed their second observation run successfully. The run lasted for approximately 10 months and led to multiple new discoveries. The sensitivity to gravitational waves was partially limited by laser noise. Here, we utilize auxiliary sensors that witness these correlated noise sources, and use them for noise subtraction in the time domain data. This noise and line removal is particularly significant for the LIGO Hanford Observatory, where the improvement in sensitivity is greater than 20%. Consequently, we were also able to improve the astrophysical estimation for the location, masses, spins, and orbital parameters of the gravitational wave progenitors.

Item type: Article
ID code: 67388
Keywords: LIGO detectors, gravitational waves, noise subtraction, Physics, Physics and Astronomy (miscellaneous)
Subjects: Science > Physics
Department: Faculty of Engineering > Design, Manufacture and Engineering Management
Faculty of Engineering > Mechanical and Aerospace Engineering
Faculty of Science > Physics
Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Pure Administrator
Date deposited: 20 Mar 2019 16:39
Last modified: 19 Apr 2019 11:59
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/67388
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