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GW240705_053215 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240705_053215

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240705_053215

Both component-mass lower bounds exceed 3 solar masses

Primary mass47.1 M☉

Secondary mass35.3 M☉

ObservedJul 5, 2024

Event identity

Classification and release

ID: gwtc:GW240705_053215
Event name: GW240705_053215
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: Friday, July 5, 2024 at 5:32:15 AM UTC UTC
GPS time: 1,404,192,753.9

Source-frame posterior

Component and remnant masses

Primary mass: 47.1 (-7.7, +9.7) M☉
Secondary mass: 35.3 (-8.2, +8) M☉
Remnant mass: 78.2 (-7.7, +12.1) M☉
Effective spin: -0.03
Network SNR: 16.8

Propagation

Distance and statistical context

Luminosity distance: 3,700 (-1,600, +1,400) Mpc
Redshift: 0.61
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW240705_053215

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

JSON record GWOSC event page