Initial sky localization. 90% area 980 sq deg.

Initial three-dimensional volume localization. Distance around 2.2 Gpc.

#GravitationalWave candidate #S251103f

If real, the source is probably a binary black hole (chirp mass ~11–22 solar masses)

False alarm rate 1 in 7.6×10^5 yr
GraceDB gracedb.ligo.org/superevents/...
GCN gcn.nasa.gov/circulars/42...
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