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GW240622_004008 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240622_004008

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240622_004008

Both component-mass lower bounds exceed 3 solar masses

Primary mass18.6 M☉

Secondary mass11.3 M☉

ObservedJun 22, 2024

Event identity

Classification and release

ID: gwtc:GW240622_004008
Event name: GW240622_004008
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: Saturday, June 22, 2024 at 12:40:08 AM UTC UTC
GPS time: 1,403,052,026.4

Source-frame posterior

Component and remnant masses

Primary mass: 18.6 (-4, +7.6) M☉
Secondary mass: 11.3 (-3.2, +2.9) M☉
Remnant mass: 28.7 (-2.8, +4.8) M☉
Effective spin: 0.25
Network SNR: 12.7

Propagation

Distance and statistical context

Luminosity distance: 1,470 (-530, +600) Mpc
Redshift: 0.28
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW240622_004008

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

JSON record GWOSC event page