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GW231113_150041 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW231113_150041

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW231113_150041

Both component-mass lower bounds exceed 3 solar masses

Primary mass56 M☉

Secondary mass29 M☉

ObservedNov 13, 2023

Event identity

Classification and release

ID: gwtc:GW231113_150041
Event name: GW231113_150041
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: Monday, November 13, 2023 at 3:00:41 PM UTC UTC
GPS time: 1,383,922,859.4

Source-frame posterior

Component and remnant masses

Primary mass: 56 (-22, +38) M☉
Secondary mass: 29 (-16, +18) M☉
Remnant mass: 82 (-25, +44) M☉
Effective spin: 0.04
Network SNR: 8.7

Propagation

Distance and statistical context

Luminosity distance: 5,200 (-2,800, +5,100) Mpc
Redshift: 0.8
Astrophysical probability: 0.97
False-alarm rate: 0.5

Provenance

Official source record

GWOSC · GWTC-4.1

GW231113_150041

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

JSON record GWOSC event page