Statements (30)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:apparentMagnitude |
2.88
|
gptkbp:declination |
-25° 35′ 34″
|
gptkbp:discoveredBy |
John Herschel (binary nature, 1837)
|
gptkbp:distanceFromEarth |
735 light years
|
gptkbp:hasComponent |
σ Scorpii Aa
σ Scorpii Ab σ Scorpii B σ Scorpii C |
https://www.w3.org/2000/01/rdf-schema#label |
σ Scorpii
|
gptkbp:locatedIn |
gptkb:Scorpius
|
gptkbp:luminosity |
~20,000 times Sun
|
gptkbp:mass |
~18 solar masses (primary component)
|
gptkbp:name |
Alniyat
|
gptkbp:numberOfConstituents |
binary star system
|
gptkbp:orbitType |
33 days (spectroscopic binary)
|
gptkbp:otherDesignation |
gptkb:HD_147165
gptkb:HR_6084 gptkb:HIP_80112 CD-25 11206 SAO 184315 |
gptkbp:partOf |
Scorpius (the Scorpion)
|
gptkbp:rightAscension |
16h 21m 11.3s
|
gptkbp:spectralType |
B1 III
|
gptkbp:temperature |
~26,000 K (primary component)
|
gptkbp:variableType |
gptkb:Beta_Cephei_variable
|
gptkbp:visibleToNakedEye |
true
|
gptkbp:bfsParent |
gptkb:HD_148478_system
gptkb:HD_147165 |
gptkbp:bfsLayer |
8
|