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GW241102_144729 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241102_144729

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241102_144729

Both component-mass lower bounds exceed 3 solar masses

Primary mass44.4 M☉

Secondary mass31 M☉

ObservedNov 2, 2024

Event identity

Classification and release

ID: gwtc:GW241102_144729
Event name: GW241102_144729
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 2:47:29 PM UTC UTC
GPS time: 1,414,594,067.7

Source-frame posterior

Component and remnant masses

Primary mass: 44.4 (-8.6, +12.3) M☉
Secondary mass: 31 (-11.1, +9.9) M☉
Remnant mass: 72 (-9.4, +12.7) M☉
Effective spin: -0.09
Network SNR: 12.7

Propagation

Distance and statistical context

Luminosity distance: 3,400 (-1,600, +2,000) Mpc
Redshift: 0.57
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW241102_144729

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

JSON record GWOSC event page