Sigma Sagittarii

URI: https://gptkb.org/entity/Sigma_Sagittarii
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf gptkb:star
gptkbp:age 31 million years
gptkbp:apparentMagnitude 2.05
gptkbp:BayerDesignation gptkb:σ_Sagittarii
gptkbp:brightestStar Sagittarius (second brightest)
gptkbp:catalogueNumber gptkb:HR_7568
gptkb:HD_187567
gptkb:HIP_97649
BD-26 5215
SAO 187082
gptkbp:constellation gptkb:Sagittarius
gptkbp:declination -26° 17′ 48″
gptkbp:diameter 4.5 solar radii
gptkbp:distanceFromEarth 228 light years
gptkbp:hasViewOf gptkb:Earth
https://www.w3.org/2000/01/rdf-schema#label Sigma Sagittarii
gptkbp:isFlamsteedDesignation 44 Sagittarii
gptkbp:isNavigationStar true
gptkbp:isSingleStar true
gptkbp:luminosity 3300 times Sun
gptkbp:mass 6.6 solar masses
gptkbp:metallicity -0.09
gptkbp:otherName gptkb:Nunki
gptkbp:parallax 0.22 mas
14.29 mas
gptkbp:partOf gptkb:Teapot_asterism
gptkbp:properMotionRA true
+18.90 mas/yr
-49.86 mas/yr
gptkbp:rightAscension 18h 55m 15.9s
gptkbp:rotationPeriod 165 km/s
gptkbp:spectralType B2.5V
gptkbp:temperature 18,100 K
gptkbp:bfsParent gptkb:Nunki
gptkbp:bfsLayer 6