Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:star
|
gptkbp:age |
about 8 million years
|
gptkbp:apparentMagnitude |
0.12
|
gptkbp:declination |
−08° 12′ 05.8981″
|
gptkbp:diameter |
about 78 solar radii
|
gptkbp:discoveredBy |
known since antiquity
|
gptkbp:distanceFromEarth |
approximately 860 light-years
|
https://www.w3.org/2000/01/rdf-schema#label |
Beta Orionis A
|
gptkbp:isPrimaryComponentOf |
Beta Orionis multiple star system
|
gptkbp:locatedIn |
gptkb:Orion_constellation
|
gptkbp:luminosity |
about 120,000 times solar luminosity
|
gptkbp:mass |
about 21 solar masses
|
gptkbp:metallicity |
[Fe/H] ≈ −0.06
|
gptkbp:otherName |
gptkb:Rigel
|
gptkbp:parallax |
3.78 mas
|
gptkbp:partOf |
Beta Orionis system
|
gptkbp:properMotionRA |
+1.87 mas/yr
−0.56 mas/yr |
gptkbp:rightAscension |
05h 14m 32.27210s
|
gptkbp:spectralType |
B8Ia
|
gptkbp:temperature |
about 12,100 K
|
gptkbp:variableStar |
gptkb:Alpha_Cygni_variable
|
gptkbp:bfsParent |
gptkb:Rigel_A
|
gptkbp:bfsLayer |
8
|