Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
black hole candidate |
| gptkbp:apparentMagnitude |
variable
|
| gptkbp:component |
black hole
low-mass star |
| gptkbp:declination |
-48° 47′ 23″
|
| gptkbp:discoveredBy |
1973
|
| gptkbp:distanceFromEarth |
8,000 light-years
|
| gptkbp:hostedBy |
gptkb:Milky_Way
|
| https://www.w3.org/2000/01/rdf-schema#label |
GX 339-4
|
| gptkbp:locatedIn |
gptkb:constellation_Ara
|
| gptkbp:massOfBlackHole |
5.8 solar masses
|
| gptkbp:notableFor |
relativistic jets
state transitions between hard and soft X-ray states frequent X-ray outbursts |
| gptkbp:orbitType |
1.7 days
|
| gptkbp:otherDesignation |
gptkb:1H_1659-487
gptkb:4U_1659-48 gptkb:H_1659-487 gptkb:V821_Ara gptkb:X1659-487 |
| gptkbp:rightAscension |
17h 02m 49.5s
|
| gptkbp:spectralType |
late-type star
|
| gptkbp:variableType |
X-ray nova
|
| gptkbp:bfsParent |
gptkb:binary_star_system
|
| gptkbp:bfsLayer |
6
|