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GW240612_081540 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240612_081540

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240612_081540

Both component-mass lower bounds exceed 3 solar masses

Primary mass55 M☉

Secondary mass38 M☉

ObservedJun 12, 2024

Event identity

Classification and release

ID: gwtc:GW240612_081540
Event name: GW240612_081540
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: Wednesday, June 12, 2024 at 8:15:40 AM UTC UTC
GPS time: 1,402,215,358.7

Source-frame posterior

Component and remnant masses

Primary mass: 55 (-13, +21) M☉
Secondary mass: 38 (-16, +16) M☉
Remnant mass: 88 (-17, +25) M☉
Effective spin: 0.07
Network SNR: 9.9

Propagation

Distance and statistical context

Luminosity distance: 6,200 (-3,100, +4,100) Mpc
Redshift: 0.93
Astrophysical probability: 0.92
False-alarm rate: 0.56

Provenance

Official source record

GWOSC · GWTC-5.0

GW240612_081540

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

JSON record GWOSC event page