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GW190930_133541 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190930_133541

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190930_133541

Both component-mass lower bounds exceed 3 solar masses

Primary mass14.2 M☉

Secondary mass6.9 M☉

ObservedSep 30, 2019

Event identity

Classification and release

ID: gwtc:GW190930_133541
Event name: GW190930_133541
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, September 30, 2019 at 1:35:41 PM UTC UTC
GPS time: 1,253,885,759.2

Source-frame posterior

Component and remnant masses

Primary mass: 14.2 (-4, +8) M☉
Secondary mass: 6.9 (-2.1, +2.4) M☉
Remnant mass: 20.2 (-2, +6.1) M☉
Effective spin: 0.19
Network SNR: 9.7

Propagation

Distance and statistical context

Luminosity distance: 770 (-320, +320) Mpc
Redshift: 0.16
Astrophysical probability: 0.9979
False-alarm rate: 0.012

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190930_133541

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

JSON record GWOSC event page