First search for gravitational waves from the youngest known neutron star
General Relativity and Quantum Cosmology
2014-11-21 v2 High Energy Astrophysical Phenomena
Abstract
We present a search for periodic gravitational waves from the neutron star in the supernova remnant Cassiopeia A. The search coherently analyzes data in a 12-day interval taken from the fifth science run of the Laser Interferometer Gravitational-Wave Observatory. It searches gravitational wave frequencies from 100 to 300 Hz, and covers a wide range of first and second frequency derivatives appropriate for the age of the remnant and for different spin-down mechanisms. No gravitational wave signal was detected. Within the range of search frequencies, we set 95% confidence upper limits of 0.7--1.2e-24 on the intrinsic gravitational wave strain, 0.4--4e-4 on the equatorial ellipticity of the neutron star, and 0.005--0.14 on the amplitude of r-mode oscillations of the neutron star. These direct upper limits beat indirect limits derived from energy conservation and enter the range of theoretical predictions involving crystalline exotic matter or runaway r-modes. This is the first gravitational wave search to present upper limits on r-modes.
Keywords
Cite
@article{arxiv.1006.2535,
title = {First search for gravitational waves from the youngest known neutron star},
author = {LIGO Scientific Collaboration and J. Abadie and B. P. Abbott and R. Abbott and M. Abernathy and C. Adams and R. Adhikari and P. Ajith and B. Allen and G. Allen and E. Amador Ceron and R. S. Amin and S. B. Anderson and W. G. Anderson and M. A. Arain and M. Araya and M. Aronsson and Y. Aso and S. Aston and D. E. Atkinson and P. Aufmuth and C. Aulbert and S. Babak and P. Baker and S. Ballmer and D. Barker and S. Barnum and B. Barr and P. Barriga and L. Barsotti and M. A. Barton and I. Bartos and R. Bassiri and M. Bastarrika and J. Bauchrowitz and B. Behnke and M. Benacquista and A. Bertolini and J. Betzwieser and N. Beveridge and P. T. Beyersdorf and I. A. Bilenko and G. Billingsley and J. Birch and R. Biswas and E. Black and J. K. Blackburn and L. Blackburn and D. Blair and B. Bland and O. Bock and T. P. Bodiya and R. Bondarescu and R. Bork and M. Born and S. Bose and M. Boyle and P. R. Brady and V. B. Braginsky and J. E. Brau and J. Breyer and D. O. Bridges and M. 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Smith and K. Somiya and B. Sorazu and F. C. Speirits and A. J. Stein and L. C. Stein and S. Steinlechner and S. Steplewski and A. Stochino and R. Stone and K. A. Strain and S. Strigin and A. Stroeer and A. L. Stuver and T. Z. Summerscales and M. Sung and S. Susmithan and P. J. Sutton and D. Talukder and D. B. Tanner and S. P. Tarabrin and J. R. Taylor and R. Taylor and P. Thomas and K. A. Thorne and K. S. Thorne and E. Thrane and A. Thüring and C. Titsler and K. V. Tokmakov and C. Torres and C. I. Torrie and G. Traylor and M. Trias and K. Tseng and D. Ugolini and K. Urbanek and H. Vahlbruch and B. Vaishnav and M. Vallisneri and C. Van Den Broeck and M. V. van der Sluys and A. A. van Veggel and S. Vass and R. Vaulin and A. Vecchio and J. Veitch and P. J. Veitch and C. Veltkamp and A. Villar and C. Vorvick and S. P. Vyachanin and S. J. Waldman and L. Wallace and A. Wanner and R. L. Ward and P. Wei and M. Weinert and A. J. Weinstein and R. Weiss and L. Wen and S. Wen and P. Wessels and M. West and T. Westphal and K. Wette and J. T. Whelan and S. E. Whitcomb and D. J. White and B. F. Whiting and C. Wilkinson and P. A. Willems and L. Williams and B. Willke and L. Winkelmann and W. Winkler and C. C. Wipf and A. G. Wiseman and G. Woan and R. Wooley and J. Worden and I. Yakushin and H. Yamamoto and K. Yamamoto and D. Yeaton-Massey and S. Yoshida and P. P. Yu and M. Zanolin and L. Zhang and Z. Zhang and C. Zhao and N. Zotov and M. E. Zucker and J. Zweizig},
journal= {arXiv preprint arXiv:1006.2535},
year = {2014}
}
Comments
26 pages, 5 figures