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GW240519_012815 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240519_012815

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240519_012815

Both component-mass lower bounds exceed 3 solar masses

Primary mass65 M☉

Secondary mass39 M☉

ObservedMay 19, 2024

Event identity

Classification and release

ID: gwtc:GW240519_012815
Event name: GW240519_012815
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, May 19, 2024 at 1:28:16 AM UTC UTC
GPS time: 1,400,117,314

Source-frame posterior

Component and remnant masses

Primary mass: 65 (-16, +19) M☉
Secondary mass: 39 (-16, +13) M☉
Remnant mass: 100 (-18, +17) M☉
Effective spin: -0.04
Network SNR: 10.6

Propagation

Distance and statistical context

Luminosity distance: 1,740 (-820, +1,830) Mpc
Redshift: 0.32
Astrophysical probability: 0.99
False-alarm rate: 0.014

Provenance

Official source record

GWOSC · GWTC-5.0

GW240519_012815

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

JSON record GWOSC event page