Y Canum Venaticorum

URI: https://gptkb.org/entity/Y_Canum_Venaticorum

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:carbon_star gptkb: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
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	7
https://www.w3.org/2000/01/rdf-schema#label	Y Canum Venaticorum