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GW231114_043211 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW231114_043211

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW231114_043211

Both component-mass lower bounds exceed 3 solar masses

Primary mass22.8 M☉

Secondary mass8.2 M☉

ObservedNov 14, 2023

Event identity

Classification and release

ID: gwtc:GW231114_043211
Event name: GW231114_043211
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-4.1
Preferred event version: v2
Observed at: Tuesday, November 14, 2023 at 4:32:11 AM UTC UTC
GPS time: 1,383,971,549.2

Source-frame posterior

Component and remnant masses

Primary mass: 22.8 (-6.3, +9.2) M☉
Secondary mass: 8.2 (-2.1, +2.5) M☉
Remnant mass: 30.1 (-4.9, +7.5) M☉
Effective spin: 0.08
Network SNR: 10

Propagation

Distance and statistical context

Luminosity distance: 1,390 (-620, +860) Mpc
Redshift: 0.26
Astrophysical probability: 0.99
False-alarm rate: 0.0001

Provenance

Official source record

GWOSC · GWTC-4.1

GW231114_043211

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

JSON record GWOSC event page