|
gptkbp:instanceOf
|
gptkb:star
variable star
|
|
gptkbp:age
|
300 million years
|
|
gptkbp:apparentMagnitude
|
2.89
|
|
gptkbp:BayerDesignation
|
gptkb:Alpha_Canum_Venaticorum
|
|
gptkbp:component
|
Alpha Canum Venaticorum system
|
|
gptkbp:constellation
|
gptkb:Canes_Venatici
|
|
gptkbp:declination
|
+38° 19′ 06.16″
|
|
gptkbp:diameter
|
2.9 solar radii
|
|
gptkbp:discoveredBy
|
gptkb:Edmond_Halley
|
|
gptkbp:discoveredIn
|
1673
|
|
gptkbp:distanceFromEarth
|
110 light years
|
|
gptkbp:hasCompanion
|
Alpha1 Canum Venaticorum
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alpha2 Canum Venaticorum
|
|
gptkbp:luminosity
|
74 solar luminosities
|
|
gptkbp:magneticFieldStrength
|
strong
|
|
gptkbp:mass
|
2.98 solar masses
|
|
gptkbp:metallicity
|
+0.09
|
|
gptkbp:otherName
|
gptkb:Cor_Caroli
α2 Canum Venaticorum
|
|
gptkbp:parallax
|
0.17 mas
29.56 mas
|
|
gptkbp:properMotionRA
|
-11.92 mas/yr
-113.24 mas/yr
|
|
gptkbp:quirk
|
chemically peculiar star
|
|
gptkbp:rightAscension
|
12h 56m 01.667s
|
|
gptkbp:rotationPeriod
|
18 km/s
|
|
gptkbp:spectralType
|
A0p
|
|
gptkbp:temperature
|
11,400 K
|
|
gptkbp:variabilityPeriod
|
5.47 days
|
|
gptkbp:variableType
|
gptkb:Alpha2_Canum_Venaticorum_variable
|
|
gptkbp:bfsParent
|
gptkb:Alpha2_Canum_Venaticorum_variable
gptkb:Ap_stars
|
|
gptkbp:bfsLayer
|
8
|