Since the publication we have discovered two errors in the calculation of upper limits on binary black hole (BBH) coalescence rates inferred from the nondetection of gravitational waves. The errors caused systematic biases of opposite signs and different sizes in the 90% confidence rate limits; when errors are corrected, the resulting limits are a factor 3 to 5 smaller than those quoted. Here we give a brief description of the errors and report their impacts on the upper limit results.
J. Abadie et al., "Erratum: Search for Gravitational Waves from Binary Black Hole Inspiral, Merger, and Ringdown (Physical Review D - Particles, Fields, Gravitation and Cosmology (2011) 83 (122005))," Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 86, no. 6, American Physical Society (APS), Sep 2012.
The definitive version is available at https://doi.org/10.1103/PhysRevD.86.069903
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