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gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:apparentMagnitude
|
3.03
|
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gptkbp:BayerDesignation
|
gptkb:γ_Boötis
|
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gptkbp:catalogueNumber
|
gptkb:HD_127762
gptkb:HIP_71075
gptkb:SAO_64625
HR 5440
BD+39 2642
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gptkbp:constellation
|
gptkb:Boötes
|
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gptkbp:declination
|
+38° 18′ 29″
|
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gptkbp:diameter
|
2.8 solar radii
|
|
gptkbp:discoveredBy
|
known since antiquity
|
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gptkbp:distanceFromEarth
|
85 light years
|
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gptkbp:equatorialCoordinates
|
RA 14h 32m 04.7s, Dec +38° 18′ 29″
|
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gptkbp:hasCompanion
|
Gamma Boötis B
Gamma Boötis C
|
|
https://www.w3.org/2000/01/rdf-schema#label
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Gamma Boötis
|
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gptkbp:luminosity
|
33 times solar luminosity
|
|
gptkbp:mass
|
2.1 solar masses
|
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gptkbp:metallicity
|
-0.16 [Fe/H]
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gptkbp:otherName
|
gptkb:Seginus
|
|
gptkbp:parallax
|
38.34 mas
|
|
gptkbp:partOf
|
gptkb:Boötes_constellation
|
|
gptkbp:properMotionRA
|
+49.23 mas/yr
-111.79 mas/yr
|
|
gptkbp:rightAscension
|
14h 32m 04.7s
|
|
gptkbp:rotationPeriod
|
121 km/s
|
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gptkbp:spectralType
|
A7IV
|
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gptkbp:temperature
|
7,800 K
|
|
gptkbp:variableType
|
gptkb:Delta_Scuti_variable
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Seginus
|
|
gptkbp:bfsLayer
|
7
|