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Acquiring mission data

Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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2MASX J19172078+0243008 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/2MASX J19172078+0243008

InferredSupermassive

Unified black-hole record

2MASX J19172078+0243008

Cataloged mass estimate

Mass256.625M M☉

Distance291.91M ly

Host2MASX J19172078+0243008

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:321
Canonical name: 2MASX J19172078+0243008
Alternate names: None reported
Black-hole type: Supermassive
Status: Inferred
Population: Catalog
Confidence: Cataloged mass estimate
Host galaxy: 2MASX J19172078+0243008

Position

Coordinates and distance

Right ascension (RA): 289.33653°
Declination (Dec): 2.71689°
Galactic longitude (l): 38.31743°
Galactic latitude (b): -4.51203°
Distance: 291.91M light-years
Distance error: Not reported by source catalogs
Redshift: 0.0218

Physical profile

Mass, spin, and system

Mass: 256.625M solar masses
Mass error, lower: 128.313M solar masses
Mass error, upper: 128.313M 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: Galaxy luminosity-based black-hole 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: Not reported by source catalogs
Gravitational-wave event: Not reported by source catalogs

Provenance

Sources and refresh state

Source catalog: VizieR J/A+A/521/A55
Source reference: 2010A&A...521A..55C
Last updated: 2026-08-31T01:34:41.049Z
Source record: Open provider record ↗