Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:age |
5.7 million years
|
| gptkbp:alsoKnownAs |
gptkb:Alnilam
gptkb:Epsilon_Orionis |
| gptkbp:apparentMagnitude |
1.69
-6.38 |
| gptkbp:catalogue |
gptkb:Henry_Draper_Catalogue
|
| gptkbp:catalogueNumber |
gptkb:HD_37128
|
| gptkbp:colorIndexB-V |
-0.19
-0.97 |
| gptkbp:constellation |
gptkb:Orion
|
| gptkbp:declination |
-01° 12′ 07″
|
| gptkbp:diameter |
32 solar radii
|
| gptkbp:discoveredBy |
ancient astronomers
|
| gptkbp:distanceFromEarth |
2000 light years
|
| gptkbp:evolutionaryStage |
supergiant
|
| https://www.w3.org/2000/01/rdf-schema#label |
HD 37128
|
| gptkbp:luminosity |
375,000 times Sun
|
| gptkbp:mass |
40 solar masses
|
| gptkbp:metallicity |
-0.16
|
| gptkbp:parallax |
1.56 mas
|
| gptkbp:partOf |
gptkb:Orion's_Belt
|
| gptkbp:properMotionRA |
0.06 mas/yr
1.09 mas/yr |
| gptkbp:radialVelocity |
23.6 km/s
|
| gptkbp:rightAscension |
05h 36m 12.8s
|
| gptkbp:spectralType |
B0Ia
|
| gptkbp:temperature |
27,500 K
|
| gptkbp:variableStar |
no
|
| gptkbp:visibleToNakedEye |
yes
|
| gptkbp:bfsParent |
gptkb:Alnilam
|
| gptkbp:bfsLayer |
6
|