RX J0021.8-7221

SIMBAD black-hole candidate classification

Also known as Cl* NGC 104 MAM M53129 · [KDA2008] 3 · Cl* NGC 104 DPF 2213 · Cl* NGC 104 FDP 2676 · Cl* NGC 104 UVE 3 · Cl* NGC 104 PD V1 · Cl* NGC 104 PDF V1 · Cl* NGC 104 EGG V47 · [GHE2001] W42 · [HJV94] 9 · CXOGlb J002404.2-720458 · [MSH2015] J002404.247-720458.09

MassNot reported by source catalogs

DistanceNot reported by source catalogs

HostNot reported by source catalogs

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

Catalog record

Identity and classification

ID: simbad:3279419
Canonical name: RX J0021.8-7221
Alternate names: Cl* NGC 104 MAM M53129 · [KDA2008] 3 · Cl* NGC 104 DPF 2213 · Cl* NGC 104 FDP 2676 · Cl* NGC 104 UVE 3 · Cl* NGC 104 PD V1 · Cl* NGC 104 PDF V1 · Cl* NGC 104 EGG V47 · [GHE2001] W42 · [HJV94] 9 · CXOGlb J002404.2-720458 · [MSH2015] J002404.247-720458.09
Black-hole type: Low-Mass X-Ray Binary Candidate
Status: Candidate
Population: Catalog
Confidence: SIMBAD black-hole candidate classification
Host galaxy: Not reported by source catalogs

Position

Coordinates and distance

Right ascension (RA): 6.0177625°
Declination (Dec): -72.08276944°
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: Not reported by source catalogs

Physical profile

Mass, spin, and system

Mass: Not reported by source catalogs
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: from bibcode ; bibcode=2015MNRAS.453.3918M
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: SIMBAD black-hole object types
Source reference: SIMBAD object type BH/BH?
Last updated: 2026-09-12T01:40:08.085Z
Source record: Open provider record ↗