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GW240930_234614 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240930_234614

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240930_234614

Both component-mass lower bounds exceed 3 solar masses

Primary mass35.8 M☉

Secondary mass21.9 M☉

ObservedSep 30, 2024

Event identity

Classification and release

ID: gwtc:GW240930_234614
Event name: GW240930_234614
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: Monday, September 30, 2024 at 11:46:14 PM UTC UTC
GPS time: 1,411,775,192.9

Source-frame posterior

Component and remnant masses

Primary mass: 35.8 (-8.9, +14) M☉
Secondary mass: 21.9 (-7.2, +7.2) M☉
Remnant mass: 55.5 (-8.9, +12) M☉
Effective spin: 0.04
Network SNR: 11.3

Propagation

Distance and statistical context

Luminosity distance: 3,600 (-2,000, +2,600) Mpc
Redshift: 0.6
Astrophysical probability: 0.98
False-alarm rate: 0.24

Provenance

Official source record

GWOSC · GWTC-5.0

GW240930_234614

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

JSON record GWOSC event page