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GW190413_052954 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190413_052954

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190413_052954

Both component-mass lower bounds exceed 3 solar masses

Primary mass33.7 M☉

Secondary mass24.2 M☉

ObservedApr 13, 2019

Event identity

Classification and release

ID: gwtc:GW190413_052954
Event name: GW190413_052954
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 5:29:54 AM UTC UTC
GPS time: 1,239,168,612.5

Source-frame posterior

Component and remnant masses

Primary mass: 33.7 (-6.4, +10.4) M☉
Secondary mass: 24.2 (-7, +6.5) M☉
Remnant mass: 55.5 (-7.3, +10.1) M☉
Effective spin: -0.04
Network SNR: 9

Propagation

Distance and statistical context

Luminosity distance: 3,320 (-1,400, +1,910) Mpc
Redshift: 0.56
Astrophysical probability: 0.9275
False-alarm rate: 0.82

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190413_052954

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

JSON record GWOSC event page