Observational Limit on Gravitational Waves from Binary Neutron Stars in the Galaxy

B. Allen, J. K. Blackburn, P. R. Brady, J. D. E Creighton, T. Creighton, S. Droz, A. D. Gillespie, S. A. Hughes, S. Kawamura, T. T. Lyons, J. E. Mason, B. J. Owen, F. J. Raab, M. W. Regehr, B. S. Sathyaprakash, R. L. Savage, Jr., S. Whitcomb, and A. G. Wiseman
Phys. Rev. Lett. 83, 1498 – Published 23 August 1999
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Using optimal matched filtering, we search 25 hours of data from the LIGO 40-m prototype laser interferometric gravitational-wave detector for gravitational-wave chirps emitted by coalescing binary systems within our Galaxy. This is the first test of this filtering technique on real interferometric data. An upper limit on the rate R of neutron star binary inspirals in our Galaxy is obtained: with 90% confidence, R<0.5h1. Similar experiments with LIGO interferometers will provide constraints on the population of tight binary neutron star systems in the Universe.

  • Received 31 March 1999


©1999 American Physical Society

Authors & Affiliations

B. Allen1, J. K. Blackburn2, P. R. Brady3, J. D. E Creighton1,4, T. Creighton4, S. Droz5, A. D. Gillespie2, S. A. Hughes4, S. Kawamura2, T. T. Lyons2, J. E. Mason2, B. J. Owen4, F. J. Raab2, M. W. Regehr2, B. S. Sathyaprakash6, R. L. Savage, Jr.2, S. Whitcomb2, and A. G. Wiseman1

  • 1Department of Physics, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201
  • 2LIGO Project, MS 18-34, California Institute of Technology, Pasadena, California 91125
  • 3Institute for Theoretical Physics, University of California, Santa Barbara, California 93106
  • 4Theoretical Astrophysics 130-33, California Institute of Technology, Pasadena, California 91125
  • 5Department of Physics, University of Guelph, Guelph, Ontario, Canada N1G 2W1
  • 6Department of Physics and Astronomy, UWCC, Post Box 913, Cardiff CF2 3YB, Wales

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Vol. 83, Iss. 8 — 23 August 1999

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