...and Virgo Observatory (V1) at 2019-07-28 06:45:10.529 UT…
...and Virgo Observatory (V1) at 2019-07-28 06:45:10.529 UTC (GPS time: 1248331528.529). The candidate was found by the GstLAL [1], CWB [2], MBTAOnline [3], and SPIIR [4] analysis pipelines.