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NGC1271 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/NGC1271

ConfirmedSupermassive

Unified black-hole record

NGC1271

Direct black-hole mass measurement

Also known as NGC 1271

Mass3.388B M☉

Distance273.971M ly

HostNGC1271

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-massive:J/A+A/521/A55/bh:1982
Canonical name: NGC1271
Alternate names: NGC 1271
Black-hole type: Supermassive
Status: Confirmed
Population: Catalog
Confidence: Direct black-hole mass measurement
Host galaxy: NGC1271

Position

Coordinates and distance

Right ascension (RA): 49.79696°
Declination (Dec): 41.35336°
Galactic longitude (l): 150.56668°
Galactic latitude (b): -13.45685°
Distance: 273.971M light-years
Distance error: 27.397M light-years
Redshift: 0.01918

Physical profile

Mass, spin, and system

Mass: 3.388B solar masses
Mass error, lower: 437.232M solar masses
Mass error, upper: 502.01M 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 ↗

Merged source records

VizieR J/A+A/521/A552010A&A...521A..55C
VizieR J/ApJ/831/1342016ApJ...831..134V

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