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GW190630_185205 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190630_185205

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190630_185205

Both component-mass lower bounds exceed 3 solar masses

Primary mass35.1 M☉

Secondary mass24 M☉

ObservedJun 30, 2019

Event identity

Classification and release

ID: gwtc:GW190630_185205
Event name: GW190630_185205
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: Sunday, June 30, 2019 at 6:52:05 PM UTC UTC
GPS time: 1,245,955,943.1

Source-frame posterior

Component and remnant masses

Primary mass: 35.1 (-5.5, +6.5) M☉
Secondary mass: 24 (-5.2, +5.5) M☉
Remnant mass: 56.6 (-4.5, +4.4) M☉
Effective spin: 0.1
Network SNR: 16.4

Propagation

Distance and statistical context

Luminosity distance: 870 (-360, +530) Mpc
Redshift: 0.18
Astrophysical probability: 1
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190630_185205

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

JSON record GWOSC event page