Zeta Ophiuchi

GPTKB entity

Statements (35)
Predicate Object
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
https://www.w3.org/2000/01/rdf-schema#label Zeta Ophiuchi
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 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:the_serpent-bearer
gptkbp:bfsLayer 7