Characterization of the LIGO detectors during their sixth science run
  In 2009-2010, the Laser Interferometer Gravitational-wave Observa- tory (LIGO) operated together with international partners Virgo and GEO600 as a network to search for gravitational waves of astrophysical origin. The sensitiv- ity of these detectors was limited by a combination of noise sources inherent to the instrumental design and its environment, often localized in time or frequency, that couple into the gravitational-wave readout. Here we review the performance of the LIGO instruments during this epoch, the work done to characterize the de- tectors and their data, and the effect that transient and continuous noise artefacts have on the sensitivity of LIGO to a variety of astrophysical sources. 
The LIGO Scientific Collaboration, The Virgo Collaboration: J. Aasi,   J. Abadie, B. P. Abbott, R. Abbott, T. Abbott, M. R. ...
gr-qc astro-ph.IM