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Journal Article

Gravitational lenses as long-baseline gravitational-wave detectors

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Allen,  Bruce
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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prl63-2017.pdf
(Publisher version), 525KB

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Citation

Allen, B. (1989). Gravitational lenses as long-baseline gravitational-wave detectors. Physical Review Letters, 63(19), 2017-2020. doi:10.1103/PhysRevLett.63.2017.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-5D17-0
Abstract
Gravitational waves produce a time delay between the different images of a gravitational lens. The measurements of the time delay in the gravitational lens 0957±561 put new limits on the amplitude of low-frequency gravitational waves h<2×10-5[ν/(3×10-18 Hz)] in the frequency range 3×10-18 Hz<ν. Future measurements of the time delay in other gravitational lenses may permit this limit to be improved.