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GRS 1716-249 | Black Holes | Apex Andromeda | Apex Andromeda

Black Holes/GRS 1716-249

Strong CandidateStellar-Mass Binary

Unified black-hole record

GRS 1716-249

Strong black-hole candidate

Also known as V2293 Oph · GRO J1719-24 · Nova Oph 1993

MassNot reported by source catalogs

Distance7.828K 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/table12:32
Canonical name: GRS 1716-249
Alternate names: V2293 Oph · GRO J1719-24 · Nova Oph 1993
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): 259.903875°
Declination (Dec): -25.01761944°
Galactic longitude (l): 0.1423°
Galactic latitude (b): 6.9909°
Distance: 7.828K light-years
Distance error: 1.305K 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: (N. Oph 1993=V2293 Oph)
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: 1993
Discovery observatory: G,CG
X-ray properties: WATCHDOG source type: BHC,T,R,J?
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 ↗

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