|
gptkbp:instanceOf
|
gptkb:star
|
|
gptkbp:age
|
about 3 million years
|
|
gptkbp:apparentMagnitude
|
2.54
-4.2
|
|
gptkbp:catalogueNumber
|
gptkb:SAO_160682
gptkb:HIP_81377
BD-10 4350
HD 149757
HR 6175
|
|
gptkbp:colorIndexB-V
|
-0.23
-0.97
|
|
gptkbp:constellation
|
gptkb:Ophiuchus
|
|
gptkbp:declination
|
-10° 34′ 1″
|
|
gptkbp:diameter
|
about 8 solar radii
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:distanceFromEarth
|
approximately 366 light-years
|
|
gptkbp:evolutionaryStage
|
gptkb:main_sequence
|
|
gptkbp:luminosity
|
about 65,000 times that of the Sun
|
|
gptkbp:mass
|
about 20 solar masses
|
|
gptkbp:metallicity
|
about solar
|
|
gptkbp:notableFeature
|
bow shock in interstellar medium
|
|
gptkbp:otherName
|
Zeta Oph
ζ Ophiuchi
|
|
gptkbp:parallax
|
8.91 mas
|
|
gptkbp:properMotionRA
|
gptkb:runaway_star
|
|
gptkbp:radialVelocity
|
-15.0 km/s
|
|
gptkbp:rightAscension
|
16h 37m 9.5s
|
|
gptkbp:rotationPeriod
|
about 400 km/s
|
|
gptkbp:runawayStarOrigin
|
likely ejected from a binary system after supernova
|
|
gptkbp:spectralType
|
O9.5V
|
|
gptkbp:temperature
|
about 34,000 K
|
|
gptkbp:variableStar
|
gptkb:Beta_Cephei_variable
|
|
gptkbp:bfsParent
|
gptkb:Scorpius–Centaurus_association
gptkb:the_serpent-bearer
|
|
gptkbp:bfsLayer
|
8
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Zeta Ophiuchi
|