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GW240915_001357 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240915_001357

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240915_001357

Both component-mass lower bounds exceed 3 solar masses

Primary mass10.9 M☉

Secondary mass7.7 M☉

ObservedSep 15, 2024

Event identity

Classification and release

ID: gwtc:GW240915_001357
Event name: GW240915_001357
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: Sunday, September 15, 2024 at 12:13:57 AM UTC UTC
GPS time: 1,410,394,455.7

Source-frame posterior

Component and remnant masses

Primary mass: 10.9 (-1.7, +5.5) M☉
Secondary mass: 7.7 (-2.3, +1.3) M☉
Remnant mass: 17.88 (-0.86, +3.22) M☉
Effective spin: 0.13
Network SNR: 16.4

Propagation

Distance and statistical context

Luminosity distance: 920 (-290, +190) Mpc
Redshift: 0.18
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW240915_001357

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

JSON record GWOSC event page