While we're testing our detectors ahead of #O4 starting next week, we have identified our first interesting candidate #S230518h

If real, the source is most likely a neutron star–black hole binary. Checks of the data quality are underway

Circular: https://gcn.nasa.gov/circulars/33813

#O4IsComing #GravitationalWaves

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Warming up for O4, LIGO Livingston and Hanford have found their first interesting gravitational-wave candidate in our engineering run

#S230518h is a potential neutron star–black hole binary

Circular: https://gcn.nasa.gov/circulars/33813
GRACEDB: https://gracedb.ligo.org/superevents/S230518h
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