Phi Capricorni
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Phi Capricorni (φ Cap, φ Capricorni) is a solitary[9] star in the southern constellation of Capricornus. It is visible to the naked eye with an apparent visual magnitude of +5.16.[2] Based upon an annual parallax shift of 5.07 mas as seen from the Earth,[1] the star is located about 640 light years from the Sun, give or take 30 light years.
This is an evolved, orange-hued K-type giant/bright giant star with a stellar classification of K0 II-III[3] It shows an infrared excess, which may be due to leftover material from a mass-loss event.[7] The star has an estimated 2.63 times the mass of the Sun,[6] and radiates 447 times the solar luminosity from its photosphere at an effective temperature of 4,490 K.[6] Phi Capricorni is around 1.24[6] billion years old and is spinning with a projected rotational velocity of 3.8 km/s.[7]
Chinese Name
In Chinese, Script error: No such module "Lang". (Script error: No such module "Lang".), 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.[10] Consequently, the Chinese name for φ Capricorni itself represents the state Chu (Script error: No such module "Lang".),[11] together with ε Ophiuchi in Right Wall of Heavenly Market Enclosure (asterism).[12][13]
R. H. Allen had opinion that φ Capricorni, together with χ Capricorni, represented the state Wei (魏).[13]
References
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- ↑ a b c d e f Script error: No such module "citation/CS1".
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- ↑ a b c d e f g Script error: No such module "citation/CS1".
- ↑ a b c Script error: No such module "citation/CS1".
- ↑ Template:Cite simbad
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- ↑ 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.
- ↑ Template:In lang AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 4 日 Template:Webarchive
- ↑ Template:In lang AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 6 月 24 日 Template:Webarchive
- ↑ a b Script error: No such module "citation/CS1".
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