|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:alsoKnownAs
|
gptkb:Betelgeuse
|
|
gptkbp:apparentMagnitude
|
0.42
|
|
gptkbp:brightestStar
|
true
|
|
gptkbp:catalogue
|
gptkb:Hipparcos
gptkb:BD+07_1055
gptkb:Henry_Draper_Catalogue
gptkb:Bright_Star_Catalogue
gptkb:HD_39801
gptkb:HR_2061
gptkb:SAO_113271
|
|
gptkbp:constellation
|
gptkb:Orion
|
|
gptkbp:declination
|
+07° 24′ 25.430″
|
|
gptkbp:diameter
|
~764 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
~548 light years
|
|
gptkbp:evolutionaryStage
|
red supergiant
|
|
gptkbp:expansion
|
expected to explode as supernova
|
|
gptkbp:galacticLatitude
|
-8.20°
201.09°
|
|
gptkbp:hasBeenImagedBy
|
gptkb:Hubble_Space_Telescope
gptkb:VLT
gptkb:ALMA
|
|
gptkbp:hasDustShell
|
true
|
|
gptkbp:hasInfraredExcess
|
true
|
|
gptkbp:hasStellarWind
|
true
|
|
gptkbp:heliumAbundance
|
enhanced
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HIP 32349
|
|
gptkbp:isAlphaStarOf
|
gptkb:Orion
|
|
gptkbp:isEndOfLifeStage
|
true
|
|
gptkbp:isRedSupergiant
|
true
|
|
gptkbp:isSupergiant
|
true
|
|
gptkbp:luminosity
|
~126,000 times Sun
|
|
gptkbp:mass
|
~11.6 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.15
|
|
gptkbp:notableEvent
|
gptkb:2019-2020_dimming_event
|
|
gptkbp:parallax
|
5.95 mas
|
|
gptkbp:properMotionRA
|
24.95 mas/yr
9.56 mas/yr
|
|
gptkbp:radialVelocity
|
21.91 km/s
|
|
gptkbp:rightAscension
|
05h 55m 10.3053s
|
|
gptkbp:spectralType
|
M1-2 Ia-ab
|
|
gptkbp:surfaceGravity
|
log(g) ≈ -0.5
|
|
gptkbp:temperature
|
~3,500 K
|
|
gptkbp:variableStar
|
true
semiregular variable
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Sirius
|
|
gptkbp:bfsLayer
|
6
|