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GW230624_113103 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW230624_113103

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW230624_113103

Both component-mass lower bounds exceed 3 solar masses

Primary mass27.1 M☉

Secondary mass16.1 M☉

ObservedJun 24, 2023

Event identity

Classification and release

ID: gwtc:GW230624_113103
Event name: GW230624_113103
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: Saturday, June 24, 2023 at 11:31:03 AM UTC UTC
GPS time: 1,371,641,481.7

Source-frame posterior

Component and remnant masses

Primary mass: 27.1 (-6.8, +14) M☉
Secondary mass: 16.1 (-4.5, +4.8) M☉
Remnant mass: 41.7 (-6.2, +11) M☉
Effective spin: 0.17
Network SNR: 11.4

Propagation

Distance and statistical context

Luminosity distance: 1,930 (-970, +1,270) Mpc
Redshift: 0.35
Astrophysical probability: 0.99
False-alarm rate: 0.0002

Provenance

Official source record

GWOSC · GWTC-4.1

GW230624_113103

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

JSON record GWOSC event page