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GW240615_160735 | Gravitational-wave mergers | Apex Andromeda | Apex Andromeda

Black Holes/Gravitational-wave mergers/GW240615_160735

ConfirmedBinary Black Hole

GWOSC compact-binary event

GW240615_160735

Both component-mass lower bounds exceed 3 solar masses

Primary mass28.5 M☉

Secondary mass20 M☉

ObservedJun 15, 2024

Event identity

Classification and release

ID: gwtc:GW240615_160735
Event name: GW240615_160735
Classification: Binary Black Hole
Composition status: Confirmed
Confidence boundary: Both component-mass lower bounds exceed 3 solar masses
Catalog: GWTC-5.0
Preferred event version: v1
Observed at: Saturday, June 15, 2024 at 4:07:35 PM UTC UTC
GPS time: 1,402,502,873.4

Source-frame posterior

Component and remnant masses

Primary mass: 28.5 (-5.6, +7.9) M☉
Secondary mass: 20 (-5.6, +5.7) M☉
Remnant mass: 45.9 (-5.6, +8) M☉
Effective spin: 0.28
Network SNR: 13.1

Propagation

Distance and statistical context

Luminosity distance: 4,000 (-1,900, +1,900) Mpc
Redshift: 0.65
Astrophysical probability: 0.99
False-alarm rate: 0

Provenance

Official source record

GWOSC · GWTC-5.0

GW240615_160735

Last synchronized 9/12/2026, 1:40:20 AM UTC.

JSON record GWOSC event page