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gptkbp:instanceOf
|
gptkb:star
stellar classification
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gptkbp:age
|
less than 1 million years
|
|
gptkbp:apparentMagnitude
|
14.0
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gptkbp:catalogueNumber
|
gptkb:2MASS_J04313844+1813576
gptkb:HBC_410
gptkb:IRAS_04368+2557
gptkb:V*_HL_Tau
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gptkbp:declination
|
+18° 13′ 57″
|
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gptkbp:discoveredBy
|
1940s
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|
gptkbp:diskGapsSuggest
|
planet formation
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|
gptkbp:distanceFromEarth
|
450 light-years
|
|
gptkbp:hasCompanion
|
XZ Tauri (nearby, not gravitationally bound)
|
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gptkbp:hasDebrisDisk
|
gptkb:HL_Tauri_protoplanetary_disk
yes
|
|
gptkbp:hasDiskGaps
|
yes
|
|
gptkbp:hasInfraredExcess
|
yes
|
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gptkbp:hasJets
|
yes
|
|
gptkbp:hasOutflows
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HL Tauri
|
|
gptkbp:locatedIn
|
gptkb:Taurus_constellation
|
|
gptkbp:mass
|
1.3 solar masses
|
|
gptkbp:notableFor
|
detailed protoplanetary disk images
|
|
gptkbp:observedBy
|
gptkb:ALMA
|
|
gptkbp:parentAssociation
|
gptkb:Taurus_Molecular_Cloud
|
|
gptkbp:rightAscension
|
04h 31m 38.4s
|
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gptkbp:spectralType
|
gptkb:K5
|
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gptkbp:variableStar
|
T Tauri variable
|
|
gptkbp:bfsParent
|
gptkb:pre-main-sequence_star
gptkb:HL_Tauri_protoplanetary_disk
|
|
gptkbp:bfsLayer
|
6
|