Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
microquasar |
| gptkbp:catalogue |
gptkb:4U_1820-30
GX 9+1 |
| gptkbp:constellation |
gptkb:Sagittarius
|
| gptkbp:contains |
white dwarf
massive companion star |
| gptkbp:discoveredBy |
gptkb:Uhuru_satellite
|
| gptkbp:discoveredIn |
1974
|
| gptkbp:distanceFromEarth |
about 30,000 light-years
|
| gptkbp:emits |
gptkb:X-rays
gptkb:radio_waves |
| gptkbp:hasJet |
yes
|
| https://www.w3.org/2000/01/rdf-schema#label |
C 1820-303
|
| gptkbp:locatedIn |
gptkb:Milky_Way
|
| gptkbp:orbitType |
about 41.5 days
|
| gptkbp:bfsParent |
gptkb:NGC_6624
|
| gptkbp:bfsLayer |
7
|