HR 6536

URI: https://gptkb.org/entity/HR_6536

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star astronomer
gptkbp:age	455 million years
gptkbp:apparentMagnitude	0.03
gptkbp:BayerDesignation	gptkb:Alpha_Lyrae
gptkbp:catalogue	gptkb:Flamsteed_designation_3_Lyrae gptkb:Henry_Draper_Catalogue gptkb:Hipparcos_Catalogue gptkb:Bright_Star_Catalogue
gptkbp:constellation	gptkb:Lyra
gptkbp:declination	+38° 47′ 01.2802″
gptkbp:diameter	2.362 solar radii
gptkbp:distanceFromEarth	25 light years
gptkbp:hasDebrisDisk	yes
gptkbp:hasExoplanet	no confirmed exoplanets
https://www.w3.org/2000/01/rdf-schema#label	HR 6536
gptkbp:isBrightestStarInConstellation	yes
gptkbp:isPoleStar	no
gptkbp:luminosity	40.12 solar luminosities
gptkbp:mass	2.1 solar masses
gptkbp:metallicity	-0.5 [Fe/H]
gptkbp:notableFor	standard star for the zero point of the photometric brightness scale was the northern pole star around 12,000 BC one of the most luminous stars in the Sun's neighborhood
gptkbp:otherName	gptkb:HD_159561 gptkb:Vega
gptkbp:parallax	130.23 mas
gptkbp:partOf	gptkb:Summer_Triangle
gptkbp:rightAscension	18h 36m 56.33635s
gptkbp:rotationPeriod	21.9 km/s
gptkbp:spectralType	A0V
gptkbp:temperature	9602 K
gptkbp:variableType	gptkb:Delta_Scuti
gptkbp:bfsParent	gptkb:Metuenda_Corolla_Draconis
gptkbp:bfsLayer	5