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Phi Capricorni

Star in the constellation Capricornus

Summary

Star in the constellation Capricornus

| b-v = +1.15 | u-b = | r-i = Phi Capricorni is a solitary star in the southern constellation of Capricornus. Its name is a Bayer designation that is Latinized from φ Capricorni, and abbreviated Phi Cap or φ Cap. This star is visible to the naked eye with an apparent visual magnitude of +5.16. Based upon an annual parallax shift of as seen from the Earth, the star is located approximately 670 light years from the Sun, give or take 20 light years. Because of its proximity to the ecliptic, it is subject to lunar occultation.

This is an evolved, orange-hued K-type giant/bright giant star with a stellar classification of K0 II-III It shows an infrared excess, which may be due to leftover material from a mass-loss event. The star has an estimated 2.63 times the mass of the Sun, and radiates 447 times the solar luminosity from its photosphere at an effective temperature of 4,490 K. Phi Capricorni is around 1.24 billion years old and is spinning with a projected rotational velocity of 3.8 km/s.

Chinese Name

In Chinese, 十二國 (Shíer Guó), meaning Twelve States, refers to an asterism which is represent twelve ancient states in the Spring and Autumn period and the Warring States period, consisting of φ Capricorni, ι Capricorni, 38 Capricorni, 35 Capricorni, 36 Capricorni, χ Capricorni, θ Capricorni, 30 Capricorni, 33 Capricorni, ζ Capricorni, 19 Capricorni, 26 Capricorni, 27 Capricorni, 20 Capricorni, η Capricorni and 21 Capricorni. Consequently, the Chinese name for φ Capricorni itself represents the state Chu (楚), together with ε Ophiuchi in Right Wall of Heavenly Market Enclosure (asterism).

R. H. Allen had the opinion that φ Capricorni, together with χ Capricorni, represented the state Wei (魏).

References

| chapter-url=https://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Capricornus*.html

References

  1. {{in lang. zh ''中國星座神話'', written by 陳久金. Published by 台灣書房出版有限公司, 2005, {{ISBN. 978-986-7332-25-7.
  2. {{in lang. zh [http://aeea.nmns.edu.tw/2006/0607/ap060704.html AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 4 日] {{Webarchive. link. (2011-05-22)
  3. {{in lang. zh [http://aeea.nmns.edu.tw/2006/0606/ap060624.html AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 24 日] {{Webarchive. link. (2011-05-22)
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

k-type-bright-giants capricornus bayer-objects bright-star-catalogue-objects durchmusterung-objects flamsteed-objects henry-draper-catalogue-objects hipparcos-objects
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