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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:Gliese_166
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gptkbp:component
|
gptkb:40_Eridani_B
gptkb:40_Eridani_A
gptkb:40_Eridani_C
red dwarf (C)
white dwarf (B)
main sequence star (A)
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gptkbp:constellation
|
gptkb:Eridanus
|
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gptkbp:declination
|
-07° 39′ 10″
|
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gptkbp:discoveredBy
|
gptkb:William_Herschel
|
|
gptkbp:discoveredIn
|
1783
|
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gptkbp:distanceFromEarth
|
16.3 light years
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Keid
|
|
gptkbp:luminosity
|
0.0034 solar luminosities (C)
0.013 solar luminosities (B)
0.36 solar luminosities (A)
|
|
gptkbp:mass
|
0.2 solar masses (C)
0.5 solar masses (B)
0.83 solar masses (A)
|
|
gptkbp:metallicity
|
[Fe/H] = -0.31
|
|
gptkbp:notableFor
|
first white dwarf discovered (40 Eridani B)
|
|
gptkbp:parallax
|
199.5 mas
|
|
gptkbp:platform
|
binary star system
|
|
gptkbp:rightAscension
|
04h 15m 16.3s
|
|
gptkbp:spectralType
|
K1V
|
|
gptkbp:bfsParent
|
gptkb:40_Eridani_triple_star_system
gptkb:40_Eridani
|
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gptkbp:bfsLayer
|
7
|