Calibration of the LIGO Gravitational Wave Detectors in the Fifth Science Run
LIGO Scientific Collaboration: J. Abadie, B. P. Abbott, R. Abbott, M,, Abernathy, C. Adams, R. Adhikari, P. Ajith, B. Allen, G. Allen, E. Amador, Ceron, R. S. Amin, S. B. Anderson, W. G. Anderson, M. A. Arain, M. Araya, M., Aronsson, Y. Aso, S. Aston, D. E. Atkinson, P. Aufmuth
TL;DR
This paper details the calibration process of LIGO's gravitational wave detectors during their fifth science run, ensuring accurate measurement of astrophysical signals over a year of data collection.
Contribution
It introduces the calibration methods and uncertainty estimation techniques used for the LIGO detectors in the S5 data set, enhancing data reliability.
Findings
Calibration techniques established for S5 data
Uncertainty estimates for measurement accuracy
Validated detector sensitivity during S5
Abstract
The Laser Interferometer Gravitational Wave Observatory (LIGO) is a network of three detectors built to detect local perturbations in the space-time metric from astrophysical sources. These detectors, two in Hanford, WA and one in Livingston, LA, are power-recycled Fabry-Perot Michelson interferometers. In their fifth science run (S5), between November 2005 and October 2007, these detectors accumulated one year of triple coincident data while operating at their designed sensitivity. In this paper, we describe the calibration of the instruments in the S5 data set, including measurement techniques and uncertainty estimation.
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