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GW190413_134308 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190413_134308

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190413_134308

Both component-mass lower bounds exceed 3 solar masses

Primary mass51.3 M☉

Secondary mass30.4 M☉

ObservedApr 13, 2019

Event identity

Classification and release

ID: gwtc:GW190413_134308
Event name: GW190413_134308
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: Saturday, April 13, 2019 at 1:43:08 PM UTC UTC
GPS time: 1,239,198,206.7

Source-frame posterior

Component and remnant masses

Primary mass: 51.3 (-12.6, +16.6) M☉
Secondary mass: 30.4 (-12.7, +11.7) M☉
Remnant mass: 78 (-11.5, +16.1) M☉
Effective spin: -0.01
Network SNR: 10.6

Propagation

Distance and statistical context

Luminosity distance: 3,800 (-1,830, +2,480) Mpc
Redshift: 0.62
Astrophysical probability: 0.9906
False-alarm rate: 0.18

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190413_134308

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

JSON record GWOSC event page