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GW241102_124058 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241102_124058

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241102_124058

Both component-mass lower bounds exceed 3 solar masses

Primary mass10.9 M☉

Secondary mass8 M☉

ObservedNov 2, 2024

Event identity

Classification and release

ID: gwtc:GW241102_124058
Event name: GW241102_124058
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, November 2, 2024 at 12:40:58 PM UTC UTC
GPS time: 1,414,586,476.8

Source-frame posterior

Component and remnant masses

Primary mass: 10.9 (-1.4, +3.2) M☉
Secondary mass: 8 (-1.7, +1.2) M☉
Remnant mass: 18.1 (-0.46, +1.54) M☉
Effective spin: 0.06
Network SNR: 21.7

Propagation

Distance and statistical context

Luminosity distance: 390 (-112, +59) Mpc
Redshift: 0.08
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW241102_124058

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

JSON record GWOSC event page