GW230518_125908

Primary lower bound exceeds 3 solar masses and secondary upper bound is below 3 solar masses

Primary mass8.17 M☉

Secondary mass1.45 M☉

ObservedMay 18, 2023

Event identity

Classification and release

ID: gwtc:GW230518_125908
Event name: GW230518_125908
Classification: Black Hole Neutron Star
Composition status: Confirmed
Confidence boundary: Primary lower bound exceeds 3 solar masses and secondary upper bound is below 3 solar masses
Catalog: GWTC-4.1
Preferred event version: v2
Observed at: Thursday, May 18, 2023 at 12:59:08 PM UTC UTC
GPS time: 1,368,449,966.2

Source-frame posterior

Propagation

Provenance

GWOSC · GWTC-4.1

Last synchronized 9/12/2026, 3:20:17 AM UTC.