Results of the First Coincident Observations by Two Laser-Interferometric Gravitational Wave Detectors

Details Results of the First Coincident Observations by Two Laser-Interferometric Gravitational Wave Detectors Results of the First Coincident Observations by Two Laser-Interferometric Gravitational Wave Detectors

1996-05-22

arxiv.org/abs/gr-qc/9605048v1

Phys.Lett.A218:175-180,1996

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 2 postscript figures

Scientific paper

10.1016/0375-9601(96)00438-0

We report an upper bound on the strain amplitude of gravitational wave bursts in a waveband from around 800Hz to 1.25kHz. In an effective coincident observing period of 62 hours, the prototype laser interferometric gravitational wave detectors of the University of Glasgow and Max Planck Institute for Quantum Optics, have set a limit of 4.9E-16, averaging over wave polarizations and incident directions. This is roughly a factor of 2 worse than the theoretical best limit that the detectors could have set, the excess being due to unmodelled non-Gaussian noise. The experiment has demonstrated the viability of the kind of observations planned for the large-scale interferometers that should be on-line in a few years time.

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