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Full band all-sky search for periodic gravitational waves in the O1 LIGO data

  • LIGO Scientific Collaboration and Virgo Collaboration
  • California Institute of Technology
  • Louisiana State University
  • University of Salerno
  • National Institute for Nuclear Physics
  • University of Florida
  • Monash University
  • National Science Foundation
  • Université Savoie Mont Blanc
  • University of Sannio
  • Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
  • University of Mississippi
  • University of Illinois at Urbana-Champaign
  • University of Cambridge
  • National Institute for Subatomic Physics
  • Instituto Nacional de Pesquisas Espaciais
  • Gran Sasso Science Institute
  • Inter-University Centre for Astronomy and Astrophysics India
  • University of Wisconsin-Milwaukee
  • Leibniz University Hannover
  • University of Pisa
  • Australian National University
  • IN2P3-CNRS
  • University of the West of Scotland
  • IN2P3/CNRS
  • California State University Fullerton
  • European Gravitational Observatory
  • University of Rome Tor Vergata
  • University of Hamburg
  • Cardiff University
  • Embry-Riddle Aeronautical University
  • Université Paris Cité
  • Korea Institute of Science and Technology Information

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

We report on a new all-sky search for periodic gravitational waves in the frequency band 475-2000 Hz and with a frequency time derivative in the range of [-1.0,+0.1]×10-8 Hz/s. Potential signals could be produced by a nearby spinning and slightly nonaxisymmetric isolated neutron star in our Galaxy. This search uses the data from Advanced LIGO's first observational run O1. No gravitational-wave signals were observed, and upper limits were placed on their strengths. For completeness, results from the separately published low-frequency search 20-475 Hz are included as well. Our lowest upper limit on worst-case (linearly polarized) strain amplitude h0 is ∼4×10-25 near 170 Hz, while at the high end of our frequency range, we achieve a worst-case upper limit of 1.3×10-24. For a circularly polarized source (most favorable orientation), the smallest upper limit obtained is ∼1.5×10-25.

Original languageEnglish
Article number102003
JournalPhysical Review D
Volume97
Issue number10
DOIs
StatePublished - May 15 2018

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