Directional Limits on Persistent Gravitational Waves Using LIGO S5 Science Data

Authors

J. Abadie, LIGO - California Institute of Technology
B. P. Abbott, University of Glasgow
R. Abbott, Universite de Savoie
M. Abernathy, Complesso Universitario di Monte sant'Angelo
T. Accadia, University of Naples Federico II
F. Acernese, University of Salerno
C. Adams, California Institute of Technology
R. Adhikari, Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
P. Ajith, University of Wisconsin-Milwaukee
B. Allen, Stanford University
G. S. Allen, Louisiana State University
E. Amador Ceron, National Institute for Nuclear Physics
R. S. Amin, University of Florida
S. B. Anderson, Chennai Mathematical Institute
W. G. Anderson, University of Birmingham
F. Antonucci, National Science Foundation
M. A. Arain, Leibniz University Hannover
M. C. Araya, Montana State University
M. Aronsson, European Gravitational Observatory
K. G. Arun, Massachusetts Institute of Technology
Y. Aso, University of Western Australia
S. M. Aston, Universite Paris 7
P. Astone, Columbia University
D. Atkinson, National Institute for Subatomic Physics
P. Aufmuth, University of Texas at Brownsville
C. Aulbert, San Jose State University
S. Babak, Sezione di Pisa
P. Baker, University of Pisa
G. Ballardin, Lomonosov Moscow State University
S. Ballmer, Universite de Nice-Sophia Antipolis
Shaon Ghosh, Montclair State UniversityFollow

Document Type

Article

Publication Date

12-29-2011

Journal / Book Title

Physical Review Letters

Abstract

The gravitational-wave (GW) sky may include nearby pointlike sources as well as stochastic backgrounds. We perform two directional searches for persistent GWs using data from the LIGO S5 science run: one optimized for pointlike sources and one for arbitrary extended sources. Finding no evidence to support the detection of GWs, we present 90% confidence level (C.L.) upper-limit maps of GW strain power with typical values between 2-20×10-50strain2Hz-1 and 5-35×10 -49strain2Hz-1sr-1 for pointlike and extended sources, respectively. The latter result is the first of its kind. We also set 90% C.L. limits on the narrow-band root-mean-square GW strain from interesting targets including Sco X-1, SN 1987A and the Galactic center as low as 7×10-25 in the most sensitive frequency range near 160 Hz.

DOI

10.1103/PhysRevLett.107.271102

MSU Digital Commons Citation

Abadie, J.; Abbott, B. P.; Abbott, R.; Abernathy, M.; Accadia, T.; Acernese, F.; Adams, C.; Adhikari, R.; Ajith, P.; Allen, B.; Allen, G. S.; Amador Ceron, E.; Amin, R. S.; Anderson, S. B.; Anderson, W. G.; Antonucci, F.; Arain, M. A.; Araya, M. C.; Aronsson, M.; Arun, K. G.; Aso, Y.; Aston, S. M.; Astone, P.; Atkinson, D.; Aufmuth, P.; Aulbert, C.; Babak, S.; Baker, P.; Ballardin, G.; Ballmer, S.; and Ghosh, Shaon, "Directional Limits on Persistent Gravitational Waves Using LIGO S5 Science Data" (2011). Department of Physics and Astronomy Faculty Scholarship and Creative Works. 37.
https://digitalcommons.montclair.edu/physics-astron-facpubs/37

Published Citation

Abadie, J., Abbott, B. P., Abbott, R., Abernathy, M., Accadia, T., Acernese, F., ... & Creighton, J. D. E. (2011). Directional limits on persistent gravitational waves using LIGO S5 science data. Physical Review Letters, 107(27), 271102.