Iota Capricorni
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Capricornus |
| Right ascension | 21h22m14.8s |
| Declination | −16°50′04″ |
| Apparent magnitude (V) | +4.28 |
| Distance | 216 ± 11 ly (66 ± 3 pc) |
| Spectral type | G7IIIFe-1.5 |
| Other designations | |
Iota Capricorni (ι Cap, ι Capricorni) is a star in the constellation Capricornus.
ι Capricorni is a yellow G-type giant with a mean apparent magnitude of +4.28. It is approximately 216 light years from Earth. It is classified as a BY Draconis type variable star and its brightness varies by 0.06 magnitudes.
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 ι Capricorni, φ 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.[1] Consequently, ι Capricorni itself is known as 代一 (Dài yī, English: the First Star of Dai), meaning that this star (together with 37 Capricorni) represent the state Dai (or Tae)(代).[2][3]
References
- ↑ (Chinese) 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.
- ↑ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 4 日
- ↑ Richard Hinckley Allen: Star Names — Their Lore and Meaning: Capricornus
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