Tau Canis Majoris

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

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:apparentMagnitude	+4.40 −6.87
gptkbp:catalogue	gptkb:Henry_Draper_Catalogue gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue
gptkbp:clusterMembership	gptkb:Collinder_121
gptkbp:colorIndexB-V	−0.13 −0.98
gptkbp:component	gptkb:Tau_Canis_Majoris_A
gptkbp:constellation	gptkb:Canis_Major
gptkbp:containsPlanet	yes
gptkbp:declination	−24° 57′ 15″
gptkbp:diameter	~32 solar radii
gptkbp:discoveredBy	gptkb:John_Flamsteed
gptkbp:distanceFromEarth	~5,000 light-years
gptkbp:hasCompanion	gptkb:Tau_Canis_Majoris_B gptkb:Tau_Canis_Majoris_C gptkb:Tau_Canis_Majoris_D
https://www.w3.org/2000/01/rdf-schema#label	Tau Canis Majoris
gptkbp:isSupergiant	yes
gptkbp:luminosity	~500,000 times Sun
gptkbp:mass	~40 solar masses
gptkbp:numberOfConstituents	at least 4
gptkbp:otherDesignation	gptkb:2MASS_J07184247-2457152 gptkb:BD−24°_1807 gptkb:CD−24°_5180 gptkb:FK5_273 gptkb:GC_10013 gptkb:GSC_06590-02613 gptkb:HD_57061 gptkb:HIP_35415 gptkb:HR_2782 gptkb:PLX_1742 gptkb:SAO_173349 gptkb:WDS_J07187-2457
gptkbp:parallax	0.19 mas 0.65 mas
gptkbp:partOf	gptkb:Milky_Way
gptkbp:properMotionRA	+3.05 mas/yr −2.13 mas/yr
gptkbp:radialVelocity	+37.0 km/s
gptkbp:rightAscension	07h 18m 42.5s
gptkbp:spectralType	O9Ib
gptkbp:temperature	~30,000 K
gptkbp:variableStar	yes
gptkbp:variableType	gptkb:Alpha_Cygni
gptkbp:bfsParent	gptkb:Canis_Major
gptkbp:bfsLayer	6