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GW240621_214041 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240621_214041

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240621_214041

Both component-mass lower bounds exceed 3 solar masses

Primary mass45 M☉

Secondary mass32 M☉

ObservedJun 21, 2024

Event identity

Classification and release

ID: gwtc:GW240621_214041
Event name: GW240621_214041
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: Friday, June 21, 2024 at 9:40:41 PM UTC UTC
GPS time: 1,403,041,259.7

Source-frame posterior

Component and remnant masses

Primary mass: 45 (-11, +17) M☉
Secondary mass: 32 (-11, +13) M☉
Remnant mass: 73 (-15, +22) M☉
Effective spin: Not reported by GWOSC
Network SNR: 7.9

Propagation

Distance and statistical context

Luminosity distance: 6,800 (-3,400, +4,800) Mpc
Redshift: 1
Astrophysical probability: 0.99
False-alarm rate: 0.038

Provenance

Official source record

GWOSC · GWTC-5.0

GW240621_214041

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

JSON record GWOSC event page