Eta Cassiopeiae

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf gptkb:star
binary star system
gptkbp:age 6.2 billion years
gptkbp:apparentMagnitude 3.44
gptkbp:component gptkb:Eta_Cassiopeiae_B
Eta Cassiopeiae A
gptkbp:declination +57° 48′ 55″
gptkbp:discoveredBy gptkb:William_Herschel
gptkbp:discoveredIn 1779
gptkbp:distanceFromEarth 19.42 light years
https://www.w3.org/2000/01/rdf-schema#label Eta Cassiopeiae
gptkbp:locatedIn constellation Cassiopeia
gptkbp:luminosity 0.06 solar luminosities (B)
1.29 solar luminosities (A)
gptkbp:mass 0.57 solar masses (B)
0.98 solar masses (A)
gptkbp:metallicity -0.28 [Fe/H]
gptkbp:orbitType 480 years
gptkbp:otherName gptkb:Achird
gptkbp:parallax 168.01 mas
gptkbp:properMotionRA +1,073.99 mas/yr
+1,686.15 mas/yr
gptkbp:radialVelocity -18.6 km/s
gptkbp:rightAscension 00h 49m 06.3s
gptkbp:separates 71 AU
gptkbp:spectralType G0V
gptkbp:bfsParent gptkb:Cassiopeia_constellation
gptkbp:bfsLayer 7