Acquiring mission data

XTE J1817-330 | Black Holes | Apex Andromeda | Apex Andromeda

Strong CandidateStellar-Mass Binary

Unified black-hole record

XTE J1817-330

Strong black-hole candidate

Also known as SWIFT J1817.6-3300 · PBC J1817.7-3300 · SWIFT J1817.8-3301 · [KRL2007b] 312

MassNot reported by source catalogs

Distance17.939K ly

HostNot reported by source catalogs

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

Catalog record

Identity and classification

ID: vizier-blackcat:J/ApJS/222/15/table12:57
Canonical name: XTE J1817-330
Alternate names: SWIFT J1817.6-3300 · PBC J1817.7-3300 · SWIFT J1817.8-3301 · [KRL2007b] 312
Black-hole type: Stellar-Mass Binary
Status: Strong Candidate
Population: Catalog
Confidence: Strong black-hole candidate
Host galaxy: Not reported by source catalogs

Position

Coordinates and distance

Right ascension (RA): 274.431375°
Declination (Dec): -33.01876944°
Galactic longitude (l): 359.8172°
Galactic latitude (b): -7.9954°
Distance: 17.939K light-years
Distance error: 14.677K light-years
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: X-ray binary classification
Discovery year: 2006
Discovery observatory: Rx
X-ray properties: WATCHDOG source type: BHC,T,R,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: 2026-09-11T22:32:44.775Z
Source record: Open provider record ↗

Merged source records

VizieR J/ApJS/222/15 (WATCHDOG/BlackCAT)2016ApJS..222...15T
SIMBAD black-hole object typesSIMBAD object type BH/BH?