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SDSS J024114.22-054445.8 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/SDSS J024114.22-054445.8

InferredQuasar Black HoleMass Qualified Quasar

Unified black-hole record

SDSS J024114.22-054445.8

Single-epoch Mg II virial black-hole mass estimate; not a direct dynamical measurement

Mass≈20.137B M☉

DistanceNot reported by source catalogs

HostNot reported by source catalogs

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-quasar:J/ApJS/228/9/table1:38498
Canonical name: SDSS J024114.22-054445.8
Alternate names: None reported
Black-hole type: Quasar Black Hole
Status: Inferred
Population: Mass Qualified Quasar
Confidence: Single-epoch Mg II virial black-hole mass estimate; not a direct dynamical measurement
Host galaxy: Not reported by source catalogs

Position

Coordinates and distance

Right ascension (RA): 40.309291°
Declination (Dec): -5.746075°
Galactic longitude (l): Not reported by source catalogs
Galactic latitude (b): Not reported by source catalogs
Distance: Not reported by source catalogs
Distance error: Not reported by source catalogs
Redshift: 2.239

Physical profile

Mass, spin, and system

Mass: ≈20.137B solar masses
Mass error, lower: Not reported by source catalogs
Mass error, upper: Not reported by source catalogs
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: Single-epoch Mg II virial broad-line mass estimate
Discovery year: Not reported by source catalogs
Discovery observatory: Not reported by source catalogs
X-ray properties: Not reported by source catalogs
Radio properties: log Lbol=45.906; log Eddington ratio=-2.498
Gravitational-wave event: Not reported by source catalogs

Provenance

Sources and refresh state

Source catalog: VizieR J/ApJS/228/9
Source reference: 2017ApJS..228....9K
Last updated: 2026-09-12T03:20:07.578Z
Source record: Open provider record ↗