HD 29139

URI: https://gptkb.org/entity/HD_29139

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:age	6.6 billion years
gptkbp:alsoKnownAs	gptkb:Aldebaran
gptkbp:apparentMagnitude	0.85 -0.63
gptkbp:arabicName	الدبران (al-Dabarān)
gptkbp:BayerDesignation	gptkb:Alpha_Tauri
gptkbp:catalogue	gptkb:Hipparcos gptkb:FK5_127 gptkb:GC_5567 gptkb:Henry_Draper_Catalogue gptkb:BD+16_629 gptkb:Bright_Star_Catalogue gptkb:HIP_21421 gptkb:HR_1457 gptkb:SAO_94027
gptkbp:colorIndexB-V	+1.54 +1.94
gptkbp:constellation	gptkb:Taurus
gptkbp:declination	+16° 30′ 33.4885″
gptkbp:diameter	44.2 solar radii
gptkbp:discoveredBy	ancient astronomers
gptkbp:distanceFromEarth	65 light years
gptkbp:eclipticLatitude	-5.47° 69.98°
gptkbp:galacticLatitude	-20.89° 180.05°
gptkbp:hasChineseName	畢宿五 (Bìxiù wǔ)
gptkbp:hasCompanion	gptkb:Aldebaran_b
gptkbp:hasExoplanet	gptkb:Aldebaran_b
gptkbp:hasInfraredExcess	no
gptkbp:hasXrayEmission	yes
gptkbp:heliumFusion	yes
https://www.w3.org/2000/01/rdf-schema#label	HD 29139
gptkbp:isRedGiant	yes
gptkbp:JapaneseName	gptkb:Ame-no-hikoboshi
gptkbp:luminosity	518 solar luminosities
gptkbp:mass	1.16 solar masses
gptkbp:metallicity	[Fe/H] = -0.34
gptkbp:parallax	20.58 mas
gptkbp:partOf	gptkb:Hyades_cluster_(line_of_sight,_not_a_member)
gptkbp:properMotionRA	-188.94 mas/yr 62.78 mas/yr
gptkbp:radialVelocity	54.09 km/s
gptkbp:rightAscension	04h 35m 55.23907s
gptkbp:spectralType	K5III
gptkbp:temperature	3910 K
gptkbp:variableStar	suspected
gptkbp:visibleToNakedEye	yes
gptkbp:bfsParent	gptkb:Aldebaran
gptkbp:bfsLayer	5