摘要
The upgraded Advanced LIGO and Advanced Virgo began their third observing run(O3)on April 1,2019.This observation,however,was suspended on March 27,2020 owing to the impact of the COVID-19 pandemic,leaving the follow-up arrangements undetermined.The LIGO Scientific Collaboration and Virgo Collaboration(LVC)has so far announced 56 gravitational wave candidates on the Grace DB website,coupled with two gravitational wave events analyzed in detail[1,2].
