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GW190513_205428 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190513_205428

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190513_205428

Both component-mass lower bounds exceed 3 solar masses

Primary mass36 M☉

Secondary mass18.3 M☉

ObservedMay 13, 2019

Event identity

Classification and release

ID: gwtc:GW190513_205428
Event name: GW190513_205428
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: Monday, May 13, 2019 at 8:54:28 PM UTC UTC
GPS time: 1,241,816,086.7

Source-frame posterior

Component and remnant masses

Primary mass: 36 (-9.7, +10.6) M☉
Secondary mass: 18.3 (-4.7, +7.4) M☉
Remnant mass: 52.1 (-6.6, +8.8) M☉
Effective spin: 0.16
Network SNR: 12.5

Propagation

Distance and statistical context

Luminosity distance: 2,210 (-810, +990) Mpc
Redshift: 0.4
Astrophysical probability: 1
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190513_205428

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

JSON record GWOSC event page