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Henize2-10 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/Henize2-10

ConfirmedSupermassive

Unified black-hole record

Henize2-10

Direct black-hole mass measurement

Also known as Hen 2-10

Mass1 M☉

Distance29.354M ly

HostHenize2-10

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/table2:11
Canonical name: Henize2-10
Alternate names: Hen 2-10
Black-hole type: Supermassive
Status: Confirmed
Population: Catalog
Confidence: Direct black-hole mass measurement
Host galaxy: Henize2-10

Position

Coordinates and distance

Right ascension (RA): 129.06329°
Declination (Dec): -26.40935°
Galactic longitude (l): Not reported by source catalogs
Galactic latitude (b): Not reported by source catalogs
Distance: 29.354M light-years
Distance error: 2.935M light-years
Redshift: Not reported by source catalogs

Physical profile

Mass, spin, and system

Mass: 1 solar masses
Mass error, lower: 0 solar masses
Mass error, upper: 10M 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: Stellar dynamics
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 ↗