#S250701bp
Evening #GravitationalWave candidate #S250701bp

If real, the source is probably a binary black hole (chirp mass ~22–44 solar masses)

False alarm rate 1 in 1.0×10^9 yr
GraceDB gracedb.ligo.org/superevents/...
GCN gcn.nasa.gov/circulars/40...
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July 1, 2025 at 9:20 PM