Limits on gravitational-wave emission from selected pulsars using LIGO data.

نویسندگان

  • B Abbott
  • R Abbott
  • R Adhikari
  • A Ageev
  • B Allen
  • R Amin
  • S B Anderson
  • W G Anderson
  • M Araya
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  • T Evans
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  • T Findley
  • M Fine
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  • V Re
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  • A Weinstein
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  • A G Wiseman
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  • I Zawischa
  • L Zhang
  • R Zhu
  • N Zotov
  • M Zucker
  • J Zweizig
  • M Kramer
  • A G Lyne
چکیده

We place direct upper limits on the amplitude of gravitational waves from 28 isolated radio pulsars by a coherent multidetector analysis of the data collected during the second science run of the LIGO interferometric detectors. These are the first direct upper limits for 26 of the 28 pulsars. We use coordinated radio observations for the first time to build radio-guided phase templates for the expected gravitational-wave signals. The unprecedented sensitivity of the detectors allows us to set strain upper limits as low as a few times 10(-24). These strain limits translate into limits on the equatorial ellipticities of the pulsars, which are smaller than 10(-5) for the four closest pulsars.

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منابع مشابه

Publication List ( as of July 2007

[8] The LIGO Collaboration, “Search for gravitational-wave bursts in LIGO data from the fourth science run”, arXiv:0704.0943 (submitted to Class Quant Grav) [7] F. Beauville et al., “Detailed comparison of LIGO and Virgo Inspiral Pipelines in Preparation for a Joint Search”, arXiv:gr-qc/0701027 (submitted to Class Quant Grav) [6] F. Beauville et al., “A comparison of methods for gravitational w...

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عنوان ژورنال:
  • Physical review letters

دوره 94 18  شماره 

صفحات  -

تاریخ انتشار 2005