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GW241002_030559 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241002_030559

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241002_030559

Both component-mass lower bounds exceed 3 solar masses

Primary mass37.3 M☉

Secondary mass29.9 M☉

ObservedOct 2, 2024

Event identity

Classification and release

ID: gwtc:GW241002_030559
Event name: GW241002_030559
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, October 2, 2024 at 3:05:59 AM UTC UTC
GPS time: 1,411,873,577.7

Source-frame posterior

Component and remnant masses

Primary mass: 37.3 (-5.5, +8.4) M☉
Secondary mass: 29.9 (-7.1, +5.6) M☉
Remnant mass: 64.2 (-7.2, +8.2) M☉
Effective spin: -0.1
Network SNR: 11.9

Propagation

Distance and statistical context

Luminosity distance: 1,460 (-680, +950) Mpc
Redshift: 0.28
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW241002_030559

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

JSON record GWOSC event page