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GW190926_050336 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190926_050336

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190926_050336

Both component-mass lower bounds exceed 3 solar masses

Primary mass41.1 M☉

Secondary mass20.4 M☉

ObservedSep 26, 2019

Event identity

Classification and release

ID: gwtc:GW190926_050336
Event name: GW190926_050336
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: v1
Observed at: Thursday, September 26, 2019 at 5:03:36 AM UTC UTC
GPS time: 1,253,509,434

Source-frame posterior

Component and remnant masses

Primary mass: 41.1 (-12.5, +20.8) M☉
Secondary mass: 20.4 (-8.2, +11.4) M☉
Remnant mass: 59.6 (-11.8, +22.1) M☉
Effective spin: -0.02
Network SNR: 8.1

Propagation

Distance and statistical context

Luminosity distance: 3,280 (-1,730, +3,400) Mpc
Redshift: 0.55
Astrophysical probability: 0.5433
False-alarm rate: 1.1

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190926_050336

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

JSON record GWOSC event page