Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:apparentMagnitude |
14.6
|
| gptkbp:blackHoleMass |
~10 solar masses
|
| gptkbp:constellation |
gptkb:Dorado
|
| gptkbp:contains |
black hole
O-type giant star |
| gptkbp:declination |
-69° 44′ 36″
|
| gptkbp:discoveredBy |
gptkb:Uhuru_satellite
|
| gptkbp:discoveredIn |
1971
|
| gptkbp:distanceFromEarth |
163,000 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
LMC X-1
|
| gptkbp:locatedIn |
gptkb:Large_Magellanic_Cloud
|
| gptkbp:notableFor |
first extragalactic X-ray binary discovered
contains one of the most massive known stellar black holes |
| gptkbp:opticalCompanion |
Star of spectral type O7-8 III
|
| gptkbp:orbitType |
3.90917 days
|
| gptkbp:otherDesignation |
gptkb:2U_0540-69
gptkb:PKS_0539-69 gptkb:RX_J0539.8-6944 |
| gptkbp:platform |
high-mass X-ray binary
|
| gptkbp:rightAscension |
05h 39m 38.7s
|
| gptkbp:bfsParent |
gptkb:binary_star_system
|
| gptkbp:bfsLayer |
6
|