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GW240526_093944 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240526_093944

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240526_093944

Both component-mass lower bounds exceed 3 solar masses

Primary mass14.5 M☉

Secondary mass8.4 M☉

ObservedMay 26, 2024

Event identity

Classification and release

ID: gwtc:GW240526_093944
Event name: GW240526_093944
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-5.0
Preferred event version: v1
Observed at: Sunday, May 26, 2024 at 9:39:44 AM UTC UTC
GPS time: 1,400,751,602.7

Source-frame posterior

Component and remnant masses

Primary mass: 14.5 (-3.6, +6.1) M☉
Secondary mass: 8.4 (-2.3, +2.5) M☉
Remnant mass: 22.1 (-3.1, +4.4) M☉
Effective spin: 0.22
Network SNR: 9.7

Propagation

Distance and statistical context

Luminosity distance: 1,940 (-940, +1,100) Mpc
Redshift: 0.35
Astrophysical probability: 0.97
False-alarm rate: 0.14

Provenance

Official source record

GWOSC · GWTC-5.0

GW240526_093944

Last synchronized 9/12/2026, 1:40:20 AM UTC.

JSON record GWOSC event page