Erratum: All-sky search for periodic gravitational waves in LIGO S4 data [Phys. Rev. D 77, 022001 (2008)]

@article{Abbott2009ErratumAS,
  title={Erratum: All-sky search for periodic gravitational waves in LIGO S4 data [Phys. Rev. D 77, 022001 (2008)]},
  author={Ligo Scientific Collaboration B. Abbott and et al.},
  journal={Physical Review D},
  year={2009},
  volume={80},
  pages={129904}
}
An error has been found in the computation of the C parameter defined in Eq. (44), which led to its overestimation by a factor 2(1/4). The correct values for C are 9.2, 9.7, and 9.3 for the multi-interferometer, H1 and L1 analyses, respectively. None of the upper limits presented in the article were affected. 
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