Alphard

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

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:age	420 million years
gptkbp:apparentMagnitude	1.98
gptkbp:catalogueNumber	gptkb:2MASS_J09273523-0839317 gptkb:AAVSO_0923-08 gptkb:ADS_7115_A gptkb:AG+08_1022 gptkb:BD-08_2526 gptkb:CCDM_J09277-0839A gptkb:FK5_352 gptkb:GC_13013 gptkb:GEN#_+1.00081797 gptkb:GSC_00541-01702 gptkb:HD_81797 gptkb:HIP_46390 gptkb:HR_3482 gptkb:IRAS_09250-0826 gptkb:LHS_2172 gptkb:LPM_2172 gptkb:LTT_3292 gptkb:PLX_2172 gptkb:SAO_136871 gptkb:TYC_541-1702-1 gptkb:WDS_J09277-0839A AG-08 1022 CD-08 2648 PPM 217172 Simbad ID: alf Hya
gptkbp:colorIndexB-V	+1.44
gptkbp:constellation	gptkb:Hydra
gptkbp:declination	-08° 39′ 31.8″
gptkbp:diameter	50 solar radii
gptkbp:distanceFromEarth	177 light years
gptkbp:eclipticLatitude	-8.66°
gptkbp:hasExoplanet	no
gptkbp:hasViewOf	gptkb:Northern_Hemisphere gptkb:Southern_Hemisphere
https://www.w3.org/2000/01/rdf-schema#label	Alphard
gptkbp:IAUApprovedName	gptkb:Alphard
gptkbp:luminosity	400 times Sun
gptkbp:mass	3 solar masses
gptkbp:metallicity	[Fe/H] = -0.13
gptkbp:nameOrigin	Arabic (meaning 'the solitary one')
gptkbp:notableFor	brightest star in Hydra
gptkbp:otherName	gptkb:Alpha_Hydrae
gptkbp:parallax	18.40 mas
gptkbp:radialVelocity	+55.5 km/s
gptkbp:rightAscension	09h 27m 35.24s
gptkbp:rotationPeriod	3.1 km/s
gptkbp:spectralType	K3II-III
gptkbp:temperature	4,120 K
gptkbp:variableStar	no
gptkbp:bfsParent	gptkb:도요타
gptkbp:bfsLayer	5