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About: QZ Puppis     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatEllipsoidalVariables, within Data Space : dbpedia.org associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatB-typeMain-sequenceStarsyago:WikicatB-typeStarsyago:WikicatBinaryStarsyago:WikicatVariableStarsyago:WikicatObjectsNamedWithVariableStarDesignationsyago:WikicatRotatingEllipsoidalVariablesyago:WikicatStarsyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930staryago:Star109444100yago:Thing100002452yago:Variable109468959yago:VariableStar109469152yago:Whole100003553yago:WikicatEllipsoidalVariables New Facet based on Instances of this Class

QZ Puppis (QZ Pup, b Pup) is a class B2.5V (blue main-sequence) star in the constellation Puppis. Its apparent magnitude is 4.5 and it is approximately 650 light years away based on parallax. QZ Puppis was identified as a small-amplitude variable star in 1974, but the nature of the variability was unclear. It was thought to be a spectroscopic binary on the basis of variability in the radial velocity of its spectral lines. As a hot B-class main sequence star with variable spectral lines, it was suspected of being a β Cephei variable but this classification was repeatedly rejected. The short-period sinusoidal variations in brightness with an amplitude of 0.03 magnitudes were interpreted as ellipsoidal variations as the star, distorted by a close companion, rotates with a period of 1.1 days.