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gptkbp:instanceOf
|
gptkb:star
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gptkbp:age
|
~5.6 billion years
|
|
gptkbp:alsoKnownAs
|
gptkb:40_Eridani
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gptkbp:apparentMagnitude
|
4.43
|
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gptkbp:catalogueNumber
|
gptkb:HR_1325
gptkb:HD_26965
gptkb:BD-07_614
gptkb:Gliese_166
gptkb:HIP_19849
gptkb:SAO_130064
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gptkbp:constellation
|
gptkb:Eridanus
|
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gptkbp:culture
|
home star of Vulcan in Star Trek
|
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gptkbp:declination
|
-07° 39′ 10″
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gptkbp:discoveredBy
|
gptkb:William_Herschel
|
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gptkbp:discoveredIn
|
1783
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gptkbp:distanceFromEarth
|
16.3 light years
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gptkbp:hasComponent
|
gptkb:40_Eridani_B
gptkb:40_Eridani_A
gptkb:40_Eridani_C
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gptkbp:hasExoplanet
|
no confirmed exoplanets
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gptkbp:hasMainSequenceStar
|
gptkb:40_Eridani_A
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gptkbp:hasRedDwarf
|
gptkb:40_Eridani_C
|
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gptkbp:hasWhiteDwarf
|
gptkb:40_Eridani_B
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Omicron2 Eridani
|
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gptkbp:luminosityOfA
|
0.46 solar luminosities
|
|
gptkbp:luminosityOfB
|
0.013 solar luminosities
|
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gptkbp:luminosityOfC
|
0.0034 solar luminosities
|
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gptkbp:massOfA
|
0.84 solar masses
|
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gptkbp:massOfB
|
0.501 solar masses
|
|
gptkbp:massOfC
|
0.203 solar masses
|
|
gptkbp:metallicity
|
-0.31 [Fe/H]
|
|
gptkbp:notableFor
|
first white dwarf discovered
|
|
gptkbp:parallax
|
199.22 mas
|
|
gptkbp:properMotionRA
|
+418.82 mas/yr
-176.96 mas/yr
|
|
gptkbp:radialVelocity
|
-6.0 km/s
|
|
gptkbp:rightAscension
|
04h 15m 16.3s
|
|
gptkbp:separationBetweenAandB
|
83.2 AU
|
|
gptkbp:separationBetweenBandC
|
35 AU
|
|
gptkbp:spectralType
|
K1V
|
|
gptkbp:temperatureOfA
|
5,300 K
|
|
gptkbp:temperatureOfB
|
16,500 K
|
|
gptkbp:temperatureOfC
|
3,100 K
|
|
gptkbp:bfsParent
|
gptkb:Constellation_Eridanus
|
|
gptkbp:bfsLayer
|
6
|