|
gptkbp:instanceOf
|
gptkb:star
gptkb:astronomer
|
|
gptkbp:age
|
1.09 billion years
|
|
gptkbp:apparentMagnitude
|
2.27
|
|
gptkbp:BayerDesignation
|
gptkb:β_Cas
|
|
gptkbp:catalogueNumber
|
gptkb:BD+59_0038
gptkb:HD_432
gptkb:HIP_746
gptkb:HR_21
gptkb:SAO_210
|
|
gptkbp:constellation
|
gptkb:Cassiopeia
|
|
gptkbp:declination
|
+59° 08′ 59.21″
|
|
gptkbp:diameter
|
3.43 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
54.5 light years
|
|
gptkbp:hasCompanion
|
no known companion
|
|
gptkbp:IAUApprovedName
|
gptkb:Caph
|
|
gptkbp:luminosity
|
28 solar luminosities
|
|
gptkbp:mass
|
1.9 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -0.09
|
|
gptkbp:otherName
|
gptkb:β_Cassiopeiae
gptkb:Caph
|
|
gptkbp:parallax
|
59.58 mas
|
|
gptkbp:partOf
|
gptkb:Cassiopeia's_W
|
|
gptkbp:properMotionRA
|
+0.166 arcsec/yr
-0.164 arcsec/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:bfsParent
|
gptkb:Delta_Scuti_variable
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Beta Cassiopeiae
|