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This run was called the first Science Run (S1) of the LIGO Scientific Collaboration. It was a huge success! Due to a lack of manpower we could man only day shifts; no operator was at the site from 10 pm to 6 am. In case the detector was not working during these times, an operator on duty was called by an automatic alarm system.
During this run 411 hours of data have been taken. The longest continuous period the detector was working at its designed operation point (all systems in lock) was over 121 hours. The overall duty cycle of the detector was above 97 %.
Immediately after this coincidence run an engineering run started. We plan to inject signals with calculated inspiral waveforms into the detector in order to test and characterize the efficiency of the data analysis pipeline for inspirals. Additional experiments will be performed to obtain more detailed information about some of the subsystems.