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SBS1116+583A | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/SBS1116+583A

ConfirmedSupermassive

Unified black-hole record

SBS1116+583A

Direct black-hole mass measurement

Also known as SBSG 1116+583A

Mass3.467M M☉

Distance389.431M ly

HostSBS1116+583A

Drag to orbitScroll to zoomEmbedded animation playing

3D model “Blackhole” by rubykamen, licensed under CC BY 4.0.

Catalog record

Identity and classification

ID: vizier-direct:J/ApJ/831/134/table2:222
Canonical name: SBS1116+583A
Alternate names: SBSG 1116+583A
Black-hole type: Supermassive
Status: Confirmed
Population: Catalog
Confidence: Direct black-hole mass measurement
Host galaxy: SBS1116+583A

Position

Coordinates and distance

Right ascension (RA): 169.74049°
Declination (Dec): 58.05656°
Galactic longitude (l): Not reported by source catalogs
Galactic latitude (b): Not reported by source catalogs
Distance: 389.431M light-years
Distance error: 38.813M light-years
Redshift: Not reported by source catalogs

Physical profile

Mass, spin, and system

Mass: 3.467M solar masses
Mass error, lower: 1.28M solar masses
Mass error, upper: 2.028M solar masses
Spin: Not reported by source catalogs
Companion: Not reported by source catalogs
Companion type: Not reported by source catalogs
Orbital period: Not reported by source catalogs
Inclination: Not reported by source catalogs

Evidence

Detection and discovery

Detection method: Reverberation mapping
Discovery year: Not reported by source catalogs
Discovery observatory: Not reported by source catalogs
X-ray properties: Not reported by source catalogs
Radio properties: Not reported by source catalogs
Gravitational-wave event: Not reported by source catalogs

Provenance

Sources and refresh state

Source catalog: VizieR J/ApJ/831/134
Source reference: 2016ApJ...831..134V
Last updated: 2026-08-31T01:34:41.049Z
Source record: Open provider record ↗