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GW190727_060333 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW190727_060333

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW190727_060333

Both component-mass lower bounds exceed 3 solar masses

Primary mass38.9 M☉

Secondary mass30.2 M☉

ObservedJul 27, 2019

Event identity

Classification and release

ID: gwtc:GW190727_060333
Event name: GW190727_060333
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: Saturday, July 27, 2019 at 6:03:33 AM UTC UTC
GPS time: 1,248,242,631.9

Source-frame posterior

Component and remnant masses

Primary mass: 38.9 (-6, +8.9) M☉
Secondary mass: 30.2 (-8.3, +6.5) M☉
Remnant mass: 65.4 (-7.3, +9.5) M☉
Effective spin: 0.09
Network SNR: 11.7

Propagation

Distance and statistical context

Luminosity distance: 3,070 (-1,230, +1,300) Mpc
Redshift: 0.52
Astrophysical probability: 1
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-2.1-confident

GW190727_060333

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

JSON record GWOSC event page