Instrumental vetoes for transient gravitational-wave triggers using noise-coupling models: The bilinear-coupling veto. Ajith, P., Isogai, T., Christensen, N., Adhikari, R. X., Pearlman, A. B., Wein, A., Weinstein, A. J., & Yuan, B. Physical Review D, 89(12):Art. No. 122001, American Physical Society, June, 2014. o̧pyright 2014 American Physical Society. Received 11 March 2014; published 3 June 2014. We thank the LIGO Scientific Collaboration for allowing us to use the LIGO data used to conduct this study and Peter Shawhan for his comments on this manuscript. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation and operates under cooperative agreement PHY-0757058. P. A.?s research was supported by the NSF grants PHY-0653653 and PHY- 0601459, NSF career grant PHY-0956189, the David and Barbara Groce Fund at Caltech, a FastTrack fellowship and a Ramanujan Fellowship from the Department of Science and Technology, India and by the EADS Foundation through a chair position on ?Mathematics of Complex Systems? at ICTS-TIFR. N. C.?s research is supported by NSF grant PHY-1204371. This manuscript has the LIGO document number LIGO-P1400023-v2.![Instrumental vetoes for transient gravitational-wave triggers using noise-coupling models: The bilinear-coupling veto [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex The Laser Interferometer Gravitational-wave Observatory (LIGO) and Virgo recently completed searches for gravitational waves at their initial target sensitivities, and soon Advanced LIGO and Advanced Virgo will commence observations with even better capabilities. In the search for short-duration signals, such as coalescing compact binary inspirals or ?burst? events, noise transients can be problematic. Interferometric gravitational-wave detectors are highly complex instruments, and, based on the experience from the past, the data often contain a large number of noise transients that are not easily distinguishable from possible gravitational-wave signals. In order to perform a sensitive search for short-duration gravitational-wave signals it is important to identify these noise artifacts, and to ?veto? them. Here we describe such a veto, the bilinear-coupling veto, that makes use of an empirical model of the coupling of instrumental noise to the output strain channel of the interferometric gravitational-wave detector. In this method, we check whether the data from the output strain channel at the time of an apparent signal is consistent with the data from a bilinear combination of auxiliary channels. We discuss the results of the application of this veto to recent LIGO data, and its possible utility when used with data from Advanced LIGO and Advanced Virgo.
@article{caltechauthors46913,
Abstract = {The Laser Interferometer Gravitational-wave Observatory (LIGO) and Virgo recently completed searches for gravitational waves at their initial target sensitivities, and soon Advanced LIGO and Advanced Virgo will commence observations with even better capabilities. In the search for short-duration signals, such as coalescing compact binary inspirals or ?burst? events, noise transients can be problematic. Interferometric gravitational-wave detectors are highly complex instruments, and, based on the experience from the past, the data often contain a large number of noise transients that are not easily distinguishable from possible gravitational-wave signals. In order to perform a sensitive search for short-duration gravitational-wave signals it is important to identify these noise artifacts, and to ?veto? them. Here we describe such a veto, the bilinear-coupling veto, that makes use of an empirical model of the coupling of instrumental noise to the output strain channel of the interferometric gravitational-wave detector. In this method, we check whether the data from the output strain channel at the time of an apparent signal is consistent with the data from a bilinear combination of auxiliary channels. We discuss the results of the application of this veto to recent LIGO data, and its possible utility when used with data from Advanced LIGO and Advanced Virgo.},
Author = {Parameswaran Ajith and Tomoki Isogai and Nelson Christensen and Rana X. Adhikari and Aaron B. Pearlman and Alex Wein and Alan J. Weinstein and Ben Yuan},
Journal = {Physical Review D},
Month = {June},
Note = {{\copyright} 2014 American Physical Society. Received 11 March 2014; published 3 June 2014. We thank the LIGO Scientific Collaboration for allowing us to use the LIGO data used to conduct this study and Peter Shawhan for his comments on this manuscript. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation and operates under cooperative agreement PHY-0757058. P. A.?s research was supported by the NSF grants PHY-0653653 and PHY- 0601459, NSF career grant PHY-0956189, the David and Barbara Groce Fund at Caltech, a FastTrack fellowship and a Ramanujan Fellowship from the Department of Science and Technology, India and by the EADS Foundation through a chair position on ?Mathematics of Complex Systems? at ICTS-TIFR. N. C.?s research is supported by NSF grant PHY-1204371. This manuscript has the LIGO document number LIGO-P1400023-v2.},
Number = {12},
Pages = {Art. No. 122001},
Publisher = {American Physical Society},
Title = {Instrumental vetoes for transient gravitational-wave triggers using noise-coupling models: The bilinear-coupling veto},
Url = {http://resolver.caltech.edu/CaltechAUTHORS:20140707-161908273},
Volume = {89},
Year = {2014},
Bdsk-Url-1 = {http://resolver.caltech.edu/CaltechAUTHORS:20140707-161908273}}
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