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GW231113_200417 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW231113_200417

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW231113_200417

Both component-mass lower bounds exceed 3 solar masses

Primary mass11.6 M☉

Secondary mass7.4 M☉

ObservedNov 13, 2023

Event identity

Classification and release

ID: gwtc:GW231113_200417
Event name: GW231113_200417
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 8:04:17 PM UTC UTC
GPS time: 1,383,941,075.9

Source-frame posterior

Component and remnant masses

Primary mass: 11.6 (-2.4, +5.1) M☉
Secondary mass: 7.4 (-2, +1.8) M☉
Remnant mass: 18.3 (-1.9, +3.3) M☉
Effective spin: 0.13
Network SNR: 10.5

Propagation

Distance and statistical context

Luminosity distance: 1,160 (-530, +640) Mpc
Redshift: 0.23
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-4.1

GW231113_200417

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

JSON record GWOSC event page