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Gravitational wave astronomy
González, Gabriela; Viceré, Andrea; Wen, Linqing
AA(Department of Physics and Astronomy, Louisiana State University), AB(INFN, Sezione di Firenze, I-50019 Sesto Fiorentino and Università degli Studi di Urbino "Carlo Bo"), AC(School of Physics, The University of Western Australia)
Frontiers of Physics, Volume 8, Issue 6, pp.771-793
Publication Date:
gravitational waves, gravitational-wave detectors, gravitional astronomy
Abstract Copyright:
(c) 2013: Higher Education Press and Springer-Verlag Berlin Heidelberg
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We are entering a new era of gravitational-wave astronomy. The ground-based interferometers have reached their initial design sensitivity in the audio band. Several upper limits have been set for anticipated astrophysical sources from the science data. The advanced detectors in the US and in Europe are expected to be operational around 2015. New advanced detectors are also planned in Japan and in India. The first direct detections of gravitational waves are expected within this decade. In the meanwhile, three pulsar timing array projects are forming an international collaboration to detect gravitational waves directly in the nanoHertz range using timing data from millisecond pulsars. The first direct detection of nanoHertz gravitational waves are also expected within this decade. In this paper, we review the status of current gravitational-wave detectors, possible types of sources, observational upper limits achieved, and future prospects for direct detection of gravitational waves.
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Database: Astronomy
arXiv e-prints