|
gptkbp:instanceOf
|
gptkb:star
gptkb:astronomer
|
|
gptkbp:age
|
1.09 billion years
|
|
gptkbp:apparentMagnitude
|
2.27
|
|
gptkbp:BayerDesignation
|
gptkb:β_Cassiopeiae
|
|
gptkbp:catalogueNumber
|
gptkb:HD_432
gptkb:HIP_746
gptkb:HR_21
gptkb:SAO_210
gptkb:BD+59_0031
|
|
gptkbp:declination
|
+59° 08′ 59.21″
|
|
gptkbp:diameter
|
3.43 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
54.5 light years
|
|
gptkbp:FlamsteedDesignation
|
gptkb:7_Cassiopeiae
|
|
gptkbp:locatedIn
|
constellation Cassiopeia
|
|
gptkbp:luminosity
|
28 solar luminosities
|
|
gptkbp:mass
|
1.9 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.09
|
|
gptkbp:otherName
|
gptkb:Caph
|
|
gptkbp:parallax
|
59.58 mas
|
|
gptkbp:partOf
|
W of Cassiopeia
|
|
gptkbp:properMotionRA
|
+536.82 mas/yr
-19.51 mas/yr
|
|
gptkbp:rightAscension
|
00h 09m 10.686s
|
|
gptkbp:rotationPeriod
|
71 km/s
|
|
gptkbp:spectralType
|
F2 III
|
|
gptkbp:temperature
|
7,079 K
|
|
gptkbp:variableStar
|
gptkb:Delta_Scuti_variable
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Beta_Cassiopeiae
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
β Cassiopeiae
|