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GW241011_233834 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW241011_233834

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW241011_233834

Both component-mass lower bounds exceed 3 solar masses

Primary mass19.5 M☉

Secondary mass5.96 M☉

ObservedOct 11, 2024

Event identity

Classification and release

ID: gwtc:GW241011_233834
Event name: GW241011_233834
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: v2
Observed at: Friday, October 11, 2024 at 11:38:35 PM UTC UTC
GPS time: 1,412,725,133

Source-frame posterior

Component and remnant masses

Primary mass: 19.5 (-2, +2.6) M☉
Secondary mass: 5.96 (-0.58, +0.58) M☉
Remnant mass: 24.4 (-1.5, +2.1) M☉
Effective spin: 0.5
Network SNR: 35.8

Propagation

Distance and statistical context

Luminosity distance: 212 (-41, +43) Mpc
Redshift: 0.05
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW241011_233834

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

JSON record GWOSC event page