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gptkbp:instanceOf
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gptkb:star
binary star system
|
|
gptkbp:age
|
50–200 million years
|
|
gptkbp:apparentMagnitude
|
1.35
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|
gptkbp:brightestStar
|
gptkb:Leo
|
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gptkbp:canBeOccultedBy
|
gptkb:Moon
planets
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gptkbp:catalogue
|
Bayer designation Alpha Leonis
Flamsteed designation 32 Leonis
Henry Draper Catalogue HD 87901
Hipparcos Catalogue HIP 49669
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gptkbp:component
|
gptkb:Regulus_A
gptkb:Regulus_B
gptkb:Regulus_C
gptkb:Regulus_D
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gptkbp:declination
|
+11° 58′ 02″
|
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gptkbp:diameter
|
3.9 solar radii
|
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gptkbp:discoveredBy
|
ancient astronomers
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gptkbp:distanceFromEarth
|
79 light years
|
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gptkbp:eclipticProximity
|
very close to ecliptic
|
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gptkbp:flattenedAtPoles
|
yes
|
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gptkbp:hasCompanion
|
binary star system
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gptkbp:hasViewOf
|
both hemispheres
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Regulus (star)
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gptkbp:locatedIn
|
constellation Leo
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gptkbp:luminosity
|
288 times solar luminosity
|
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gptkbp:mass
|
3.8 solar masses
|
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gptkbp:metallicity
|
−0.52 [Fe/H]
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gptkbp:nameOrigin
|
Latin for 'little king'
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gptkbp:notableFor
|
rapid rotation
|
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gptkbp:oblateness
|
32% wider at equator than poles
|
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gptkbp:otherName
|
gptkb:Alpha_Leonis
gptkb:BD+12_2056
gptkb:FK5_374
gptkb:HD_87901
gptkb:HIP_49669
gptkb:HR_3982
gptkb:SAO_98967
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gptkbp:parallax
|
41.13 mas
|
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gptkbp:precessionalRole
|
was pole star around 9000 BC
|
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gptkbp:rankByBrightness
|
21st brightest star in night sky
|
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gptkbp:Regulus_A
|
spectralType B7V
|
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gptkbp:Regulus_B
|
spectralType K2V
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gptkbp:Regulus_C
|
spectralType M4V
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gptkbp:Regulus_D
|
white dwarf
|
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gptkbp:rightAscension
|
10h 08m 22.3s
|
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gptkbp:rotationPeriod
|
317 km/s
|
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gptkbp:spectralType
|
B7V
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gptkbp:temperature
|
12,460 K
|
|
gptkbp:variableStar
|
no
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gptkbp:bfsParent
|
gptkb:The_Regulus
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gptkbp:bfsLayer
|
7
|