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GW240527_183429 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240527_183429

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240527_183429

Both component-mass lower bounds exceed 3 solar masses

Primary mass52 M☉

Secondary mass33 M☉

ObservedMay 27, 2024

Event identity

Classification and release

ID: gwtc:GW240527_183429
Event name: GW240527_183429
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: Monday, May 27, 2024 at 6:34:29 PM UTC UTC
GPS time: 1,400,870,087.1

Source-frame posterior

Component and remnant masses

Primary mass: 52 (-12, +17) M☉
Secondary mass: 33 (-15, +15) M☉
Remnant mass: 80 (-12, +20) M☉
Effective spin: 0.31
Network SNR: 10.4

Propagation

Distance and statistical context

Luminosity distance: 6,400 (-3,100, +3,500) Mpc
Redshift: 0.96
Astrophysical probability: 0.99
False-alarm rate: 0.0002

Provenance

Official source record

GWOSC · GWTC-5.0

GW240527_183429

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

JSON record GWOSC event page