Kappa Columbae

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Template:Short description Template:Starbox begin Template:Starbox observe Template:Starbox character Template:Starbox astrometry Template:Starbox detail Template:Starbox catalog Template:Starbox reference Template:Starbox end

Kappa Columbae, Latinized from κ Columbae, is a solitary[1] star in the southern constellation of Columba. It has an apparent visual magnitude of 4.37,[2] which is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 17.87 mas,[3] it is located at a distance of 183 light years from the Sun. It has a peculiar velocity of Template:Val, making it a candidate runaway star.[4]

This is an evolved K-type giant star with a stellar classification of K0.5 IIIa.[5] The measured angular diameter of this star, after correction for limb darkening, is Template:Val.[6] At the estimated distance of this star, this yields a physical size of about 10.5 times the radius of the Sun.[7] It has an estimated 1.76 times the mass of the Sun and is about 1.7 billion years old. The star radiates 57.5 times the solar luminosity from its outer atmosphere at an effective temperature of 4,876 K.[5] It is catalogued as a suspected variable star.[8]

In Chinese, Template:Lang (Template:Lang), meaning Grandson, refers to an asterism consisting of κ Columbae and θ Columbae.[9] Consequently, κ Columbae itself is known as Template:Lang (Template:Lang, Template:Langx.).[10]

References

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Template:Stars of Columba

  1. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Eggleton2008
  2. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Johnson1999
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named vanLeeuwen2007
  4. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Tetzlaff2011
  5. ↑ 5.0 5.1 Cite error: Invalid <ref> tag; no text was provided for refs named luck2015
  6. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named Richichi2005
  7. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named lang2006
  8. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named cgcvs2004
  9. ↑ Template:In lang 中國星座神話, written by 陳久金. Published by 台灣書房出版有限公司, 2005, Template:ISBN.
  10. ↑ Template:In lang AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 16 日 Template:Webarchive
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