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Published October 7, 2010 | public
Journal Article

The Einstein Telescope: a third-generation gravitational wave observatory


Advanced gravitational wave interferometers, currently under realization, will soon permit the detection of gravitational waves from astronomical sources. To open the era of precision gravitational wave astronomy, a further substantial improvement in sensitivity is required. The future space-based Laser Interferometer Space Antenna and the third-generation ground-based observatory Einstein Telescope (ET) promise to achieve the required sensitivity improvements in frequency ranges. The vastly improved sensitivity of the third generation of gravitational wave observatories could permit detailed measurements of the sources' physical parameters and could complement, in a multi-messenger approach, the observation of signals emitted by cosmological sources obtained through other kinds of telescopes. This paper describes the progress of the ET project which is currently in its design study phase.

Additional Information

© 2010 IOP Publishing. Received 19 May 2010, in final form 22 June 2010. Published 21 September 2010. The authors gratefully acknowledge the help of Albrecht Rüdiger in correcting this paper. This work has been performed with the support of the European Commission under the Framework Programme 7 (FP7) 'Capacities', project Einstein Telescope (ET) design study (Grant Agreement 211743), http://www.et-gw.eu/

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August 19, 2023
October 20, 2023