Y Canum Venaticorum

URI: https://gptkb.org/entity/Y_Canum_Venaticorum
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf gptkb:star
carbon star
gptkbp:apparentMagnitude 4.84
-2.4
gptkbp:catalogueNumber gptkb:HD_110914
gptkb:SAO_44518
gptkb:2MASS_J12450783+4526249
gptkb:BD+45_2113
gptkb:HIP_62145
gptkb:HR_4846
gptkbp:colorIndexB-V 2.54
4.00
gptkbp:constellation gptkb:Canes_Venatici
gptkbp:declination +45° 26′ 24.9″
gptkbp:diameter 400 solar radii
gptkbp:discoveredBy gptkb:Angelo_Secchi
gptkbp:discoveredIn 1860
gptkbp:distanceFromEarth 710 light-years
https://www.w3.org/2000/01/rdf-schema#label Y Canum Venaticorum
gptkbp:luminosity 7,000 times Sun
gptkbp:mass 2.0 solar masses
gptkbp:metallicity [Fe/H] = -0.5
gptkbp:notableFor one of the reddest stars visible to the naked eye
prototype of carbon stars
gptkbp:otherName gptkb:La_Superba
gptkbp:parallax 4.59 mas
gptkbp:periodOfVariability 160 days
gptkbp:properMotionRA -8.13 mas/yr
gptkbp:radialVelocity 21.6 km/s
gptkbp:rightAscension 12h 45m 07.83s
gptkbp:spectralType C7,2j(N4)
gptkbp:temperature 2,800 K
gptkbp:variableType gptkb:SRb
gptkbp:bfsParent gptkb:La_Superba
gptkbp:bfsLayer 6