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GW200322_091133 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW200322_091133

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW200322_091133

Both component-mass lower bounds exceed 3 solar masses

Primary mass38 M☉

Secondary mass11.3 M☉

ObservedMar 22, 2020

Event identity

Classification and release

ID: gwtc:GW200322_091133
Event name: GW200322_091133
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-3-confident
Preferred event version: v1
Observed at: Sunday, March 22, 2020 at 9:11:33 AM UTC UTC
GPS time: 1,268,903,511.3

Source-frame posterior

Component and remnant masses

Primary mass: 38 (-22, +130) M☉
Secondary mass: 11.3 (-6, +24.3) M☉
Remnant mass: 48 (-22, +132) M☉
Effective spin: 0.27
Network SNR: 4.5

Propagation

Distance and statistical context

Luminosity distance: 3,500 (-2,200, +12,500) Mpc
Redshift: 0.59
Astrophysical probability: 0.615
False-alarm rate: 140

Provenance

Official source record

GWOSC · GWTC-3-confident

GW200322_091133

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

JSON record GWOSC event page