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GW241230_084504 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241230_084504

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241230_084504

Both component-mass lower bounds exceed 3 solar masses

Primary mass42.4 M☉

Secondary mass33.5 M☉

ObservedDec 30, 2024

Event identity

Classification and release

ID: gwtc:GW241230_084504
Event name: GW241230_084504
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, December 30, 2024 at 8:45:04 AM UTC UTC
GPS time: 1,419,583,522.5

Source-frame posterior

Component and remnant masses

Primary mass: 42.4 (-6.7, +9.5) M☉
Secondary mass: 33.5 (-8.3, +7.7) M☉
Remnant mass: 72.4 (-8.4, +12.1) M☉
Effective spin: -0.14
Network SNR: 11.1

Propagation

Distance and statistical context

Luminosity distance: 2,900 (-1,300, +1,400) Mpc
Redshift: 0.5
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW241230_084504

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

JSON record GWOSC event page