|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 1 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Theta1_Orionis_C
|
|
gptkbp:apparentMagnitude
|
5.13
|
|
gptkbp:binarySystem
|
yes
|
|
gptkbp:catalogueNumber
|
gptkb:HD_37022
gptkb:2MASS_J05351648-0523233
gptkb:BD−05°1315
gptkb:Gaia_DR2_3016531817404051712
gptkb:HIP_26220
gptkb:HR_1895
gptkb:SAO_132314
gptkb:TYC_4771-1082-1
|
|
gptkbp:coordinatesEpoch
|
gptkb:J2000
|
|
gptkbp:declination
|
−05° 23′ 23″
|
|
gptkbp:discoveredBy
|
gptkb:John_Flamsteed
|
|
gptkbp:distanceFromEarth
|
about 1,344 light-years
|
|
gptkbp:dominantIonizingSourceOf
|
gptkb:Orion_Nebula
|
|
gptkbp:hasCompanion
|
gptkb:Theta1_Orionis_C2
|
|
gptkbp:hasInfraredExcess
|
yes
|
|
gptkbp:hasStellarWindVelocity
|
about 2,500 km/s
|
|
gptkbp:hasStrongStellarWind
|
yes
|
|
gptkbp:hasXrayEmission
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HD 37022
|
|
gptkbp:isBrightestMemberOf
|
gptkb:Trapezium_Cluster
|
|
gptkbp:isEmissionLineStar
|
yes
|
|
gptkbp:isMainSequenceStar
|
yes
|
|
gptkbp:isMassiveStar
|
yes
|
|
gptkbp:isPrimarySourceOf
|
ultraviolet radiation in Orion Nebula
|
|
gptkbp:isRunawayStar
|
no
|
|
gptkbp:isYoungStar
|
yes
|
|
gptkbp:locatedIn
|
gptkb:Orion_constellation
|
|
gptkbp:luminosity
|
about 210,000 times Sun
|
|
gptkbp:magneticFieldStrength
|
yes
|
|
gptkbp:mass
|
about 33 solar masses
|
|
gptkbp:memberOf
|
gptkb:Trapezium_Cluster
|
|
gptkbp:parallax
|
2.43 mas
0.19 mas
|
|
gptkbp:partOf
|
gptkb:Orion_Nebula
|
|
gptkbp:properMotionRA
|
+1.80 mas/yr
−2.50 mas/yr
|
|
gptkbp:radialVelocity
|
28.0 km/s
|
|
gptkbp:rightAscension
|
05h 35m 16.5s
|
|
gptkbp:spectralType
|
O6pe
|
|
gptkbp:temperature
|
about 39,000 K
|
|
gptkbp:variableStar
|
yes
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:SAO_60198
|
|
gptkbp:bfsLayer
|
6
|