Skip to content

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Menu

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Acquiring mission data

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

This is an independent informational project and is not affiliated with, endorsed by, or sponsored by NASA, ESA, JAXA, Roscosmos, CNSA, ISRO, CSA, or any other space agency. Agency names, logos, and other marks are used for identification where permitted by their respective usage policies.

A passion project from the team behind Apex Rental Pro.

Community discussion

Comments 0

No comments yet. The airlock is open.

Sign in or create an account to comment and vote.

NAME KUG 1138+327 X-1 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/NAME KUG 1138+327 X-1

CandidateUltraluminous X-Ray Source Candidate

Unified black-hole record

NAME KUG 1138+327 X-1

SIMBAD black-hole candidate classification

MassNot reported by source catalogs

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: simbad:27583296
Canonical name: NAME KUG 1138+327 X-1
Alternate names: None reported
Black-hole type: Ultraluminous X-Ray Source 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): 175.28133333°
Declination (Dec): 32.42705556°
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=2025ApJ...981..199W
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: 2026-09-12T03:20:07.578Z
Source record: Open provider record ↗