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GW200112_155838 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW200112_155838

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW200112_155838

Both component-mass lower bounds exceed 3 solar masses

Primary mass35.6 M☉

Secondary mass28.3 M☉

ObservedJan 12, 2020

Event identity

Classification and release

ID: gwtc:GW200112_155838
Event name: GW200112_155838
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, January 12, 2020 at 3:58:38 PM UTC UTC
GPS time: 1,262,879,936

Source-frame posterior

Component and remnant masses

Primary mass: 35.6 (-4.5, +6.7) M☉
Secondary mass: 28.3 (-5.9, +4.4) M☉
Remnant mass: 60.8 (-4.3, +5.3) M☉
Effective spin: 0.06
Network SNR: 19.8

Propagation

Distance and statistical context

Luminosity distance: 1,250 (-460, +430) Mpc
Redshift: 0.24
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-3-confident

GW200112_155838

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

JSON record GWOSC event page