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GW190514_065416 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190514_065416

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190514_065416

Both component-mass lower bounds exceed 3 solar masses

Primary mass40.9 M☉

Secondary mass28.4 M☉

ObservedMay 14, 2019

Event identity

Classification and release

ID: gwtc:GW190514_065416
Event name: GW190514_065416
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-2.1-confident
Preferred event version: v2
Observed at: Tuesday, May 14, 2019 at 6:54:16 AM UTC UTC
GPS time: 1,241,852,074.8

Source-frame posterior

Component and remnant masses

Primary mass: 40.9 (-9.3, +17.3) M☉
Secondary mass: 28.4 (-10.1, +10) M☉
Remnant mass: 66.4 (-11.5, +19) M☉
Effective spin: -0.08
Network SNR: 8

Propagation

Distance and statistical context

Luminosity distance: 3,890 (-2,070, +2,610) Mpc
Redshift: 0.64
Astrophysical probability: 0.7602
False-alarm rate: 2.8

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190514_065416

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

JSON record GWOSC event page