|
gptkbp:instanceOf
|
gptkb:star
blue supergiant
|
|
gptkbp:age
|
about 3.2 million years
|
|
gptkbp:apparentMagnitude
|
2.25
-6.0
|
|
gptkbp:catalogue
|
gptkb:Harvard_Revised_Photometry_Catalogue
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
|
|
gptkbp:colorIndexB-V
|
-0.27
-1.08
|
|
gptkbp:constellation
|
gptkb:Puppis
|
|
gptkbp:declination
|
-40° 00′ 11″
|
|
gptkbp:diameter
|
about 14 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
approximately 1,090 light-years
|
|
gptkbp:evolutionaryStage
|
supergiant
|
|
gptkbp:expansion
|
expected to end as a supernova
|
|
gptkbp:galacticLatitude
|
-4.7°
253.6°
|
|
gptkbp:hasViewOf
|
gptkb:Southern_Hemisphere
|
|
gptkbp:heliumAbundance
|
high
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Zeta Puppis
|
|
gptkbp:IAUApprovedName
|
Naos
|
|
gptkbp:luminosity
|
about 550,000 times that of the Sun
|
|
gptkbp:mass
|
about 22.5 solar masses
|
|
gptkbp:metallicity
|
about solar
|
|
gptkbp:notableFor
|
one of the most luminous stars visible to the naked eye
one of the closest O-type stars to Earth
|
|
gptkbp:otherName
|
gptkb:HD_66811
gptkb:HIP_39429
gptkb:HR_3165
Naos
|
|
gptkbp:parallax
|
2.91 mas
|
|
gptkbp:properMotionRA
|
+2.85 mas/yr
-23.85 mas/yr
|
|
gptkbp:radialVelocity
|
+20.0 km/s
|
|
gptkbp:rightAscension
|
08h 03m 35.0s
|
|
gptkbp:rotationPeriod
|
220 km/s
|
|
gptkbp:runawayStar
|
true
|
|
gptkbp:spectralType
|
O4If(n)p
|
|
gptkbp:temperature
|
about 40,000 K
|
|
gptkbp:variableStar
|
suspected
|
|
gptkbp:windMassLossRate
|
about 3.5×10⁻⁶ solar masses per year
|
|
gptkbp:windVelocity
|
about 2,250 km/s
|
|
gptkbp:XRaySource
|
true
|
|
gptkbp:bfsParent
|
gptkb:Blue_supergiant
|
|
gptkbp:bfsLayer
|
6
|