Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
6.4
|
| gptkbp:apparentMagnitude |
2.08
-6.0 |
| gptkbp:component |
gptkb:Alnitak
|
| gptkbp:constellation |
gptkb:Orion
|
| gptkbp:declination |
-01° 56′ 34″
|
| gptkbp:diameter |
20
|
| gptkbp:discoveredBy |
gptkb:John_Herschel
|
| gptkbp:discoveredIn |
1819
|
| gptkbp:distanceFromEarth |
1260
|
| gptkbp:hasCompanion |
gptkb:Zeta_Orionis_Ab
|
| gptkbp:luminosity |
250,000
|
| gptkbp:mass |
33
|
| gptkbp:metallicity |
-0.13
|
| gptkbp:otherName |
gptkb:Alnitak_Aa
ζ Orionis Aa |
| gptkbp:parallax |
2.44
|
| gptkbp:partOf |
gptkb:Zeta_Orionis
|
| gptkbp:properMotionRA |
2.44 mas/yr
3.09 mas/yr |
| gptkbp:rightAscension |
05h 40m 45.5s
|
| gptkbp:rotationalVelocity_km_s |
110
|
| gptkbp:spectralType |
O9.5Iab
|
| gptkbp:temperature |
29,500
|
| gptkbp:variableStar |
no
|
| gptkbp:bfsParent |
gptkb:HD_37742
gptkb:Zeta_Orionis |
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Zeta Orionis A
|