Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
binary star system
|
| gptkbp:alternativeName |
gptkb:Scorpius_X-1
|
| gptkbp:apparentMagnitude |
12.2
|
| gptkbp:catalogueNumber |
gptkb:V818_Scorpii
|
| gptkbp:component |
white dwarf
low-mass star |
| gptkbp:declination |
-15° 38′ 24.9″
|
| gptkbp:discoveredBy |
gptkb:Riccardo_Giacconi
|
| gptkbp:discoveredIn |
1962
|
| gptkbp:distanceFromEarth |
about 18,000 light-years
|
| gptkbp:emits |
gptkb:X-rays
|
| https://www.w3.org/2000/01/rdf-schema#label |
SS X-1
|
| gptkbp:locatedIn |
constellation Scorpius
|
| gptkbp:massOfCompanionStar |
about 0.4 solar masses
|
| gptkbp:massOfNeutronStar |
about 1.4 solar masses
|
| gptkbp:notableFor |
first extra-solar X-ray source discovered
|
| gptkbp:orbitType |
0.787 days
|
| gptkbp:rightAscension |
16h 19m 55.07s
|
| gptkbp:type |
low-mass X-ray binary
|
| gptkbp:variableStar |
Z-type
|
| gptkbp:bfsParent |
gptkb:USS_X-1
|
| gptkbp:bfsLayer |
7
|