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GW241109_115924 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241109_115924

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241109_115924

Both component-mass lower bounds exceed 3 solar masses

Primary mass7.3 M☉

Secondary mass5.14 M☉

ObservedNov 9, 2024

Event identity

Classification and release

ID: gwtc:GW241109_115924
Event name: GW241109_115924
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 9, 2024 at 11:59:24 AM UTC UTC
GPS time: 1,415,188,782.9

Source-frame posterior

Component and remnant masses

Primary mass: 7.3 (-1.1, +2.8) M☉
Secondary mass: 5.14 (-1.26, +0.9) M☉
Remnant mass: 11.94 (-0.66, +1.58) M☉
Effective spin: 0.01
Network SNR: 11.9

Propagation

Distance and statistical context

Luminosity distance: 600 (-290, +230) Mpc
Redshift: 0.12
Astrophysical probability: 0.99
False-alarm rate: 0.0001

Provenance

Official source record

GWOSC · GWTC-5.0

GW241109_115924

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

JSON record GWOSC event page