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XTE J1650-500 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/XTE J1650-500

ConfirmedStellar-Mass Binary

Unified black-hole record

XTE J1650-500

Dynamically confirmed black hole

Mass7.3 M☉

Distance8.48K ly

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-blackcat:J/ApJS/222/15/table12:20
Canonical name: XTE J1650-500
Alternate names: None reported
Black-hole type: Stellar-Mass Binary
Status: Confirmed
Population: Catalog
Confidence: Dynamically confirmed black hole
Host galaxy: Not reported by source catalogs

Position

Coordinates and distance

Right ascension (RA): 252.50408333°
Declination (Dec): -49.96211111°
Galactic longitude (l): 336.7182°
Galactic latitude (b): -3.427°
Distance: 8.48K light-years
Distance error: 2.283K light-years
Redshift: Not reported by source catalogs

Physical profile

Mass, spin, and system

Mass: 7.3 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: ~K4V
Orbital period: 0.3204166666666667 days
Inclination: 47°

Evidence

Detection and discovery

Detection method: Dynamical mass measurement in an X-ray binary
Discovery year: 2001
Discovery observatory: Rx
X-ray properties: WATCHDOG source type: BH,T,R,J?,W
Radio properties: Not reported by source catalogs
Gravitational-wave event: Not reported by source catalogs

Provenance

Sources and refresh state

Source catalog: VizieR J/ApJS/222/15 (WATCHDOG/BlackCAT)
Source reference: 2016ApJS..222...15T
Last updated: 2026-08-31T01:34:41.049Z
Source record: Open provider record ↗