Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:star
|
| gptkbp:alsoKnownAs |
gptkb:Betelgeuse
|
| gptkbp:apparentMagnitude |
0.42
|
| gptkbp:catalogueNumber |
gptkb:GSC_00013-01713
gptkb:TYC_129-1713-1 gptkb:WDS_J05551+0724A gptkb:2MASS_J05551028+0724255 gptkb:BD+07_1068 gptkb:HD_39801 gptkb:HIP_27989 gptkb:HR_2061 gptkb:SAO_113271 |
| gptkbp:constellation |
gptkb:Orion
|
| gptkbp:declination |
+07° 24′ 25.4″
|
| gptkbp:diameter |
~764 solar radii
|
| gptkbp:discoveredBy |
ancient astronomers
|
| gptkbp:distanceFromEarth |
~642.5 light years
|
| gptkbp:evolutionaryStage |
gptkb:red_supergiant
|
| gptkbp:expansion |
will become a supernova
|
| gptkbp:hasCompanion |
gptkb:Alpha_Orionis_B_(optical)
|
| gptkbp:luminosity |
~126,000 times Sun
|
| gptkbp:mass |
~11.6 solar masses
|
| gptkbp:partOf |
gptkb:Orion_constellation
|
| gptkbp:rightAscension |
05h 55m 10.3053s
|
| gptkbp:spectralType |
M1-2 Ia-Iab
|
| gptkbp:temperature |
~3,500 K
|
| gptkbp:variableStar |
semiregular variable
|
| gptkbp:bfsParent |
gptkb:Betelgeuse
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha Orionis
|