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. 2020 Apr 17;2(5):222–223. doi: 10.1038/s42254-020-0179-3

Fig. 1. Timeline of the third LIGO–Virgo operating run (O3).

Fig. 1

O3 began on 1 April 2019 and finished on 27 March 2020, a month earlier than originally planned. During the 12 months of operation 56 candidate events were detected.