Girish Mahajan (Editor)

Xi Puppis

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Magnitude
  
3.35

Apparent magnitude (V)
  
3.35

Parallax (π)
  
2.72 ± 0.21 mas

Constellation
  
Puppis

Surface gravity (log g)
  
1.21 ± 0.09 cgs

U−B color index
  
+1.18

Xi Puppis

Similar
  
Pi Puppis, Zeta Puppis, Epsilon Carinae, Iota Carinae, Mu Boötis

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Xi Puppis (Xi Pup, ξ Puppis, ξ Pup) is a star in the southern constellation of Puppis. With an apparent visual magnitude of 3.35, it is one of the brighter members of this constellation. It is a yellow supergiant. It is sometimes known as Asmidiske (Azmidiske), a misplacement and mistransliteration of Aspidiske, the traditional name of ι Carinae; hence the name Asmidiske for Xi Puppis is not currently IAU-approved.

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Based on parallax measurements made during the Hipparcos mission, it is located approximately 1,200 light-years (370 parsecs) away, with a 7.5% margin of error. Because of the distance of this star from the Earth, its visual magnitude is reduced by 0.73 as a result of extinction from the intervening gas and dust.

Asmidiske has a 13th-magnitude companion at an apparent distance of 5".1. It might also be a spectroscopic binary.

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References

Xi Puppis Wikipedia


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