β Cassiopeiae

URI: https://gptkb.org/entity/β_Cassiopeiae
GPTKB entity
Statements (33)
Predicate Object
gptkbp:instanceOf gptkb:star
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
https://www.w3.org/2000/01/rdf-schema#label β 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