Alpha¹ Capricorni
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation | Capricornus |
| Right ascension | 20h17m38.9s |
| Declination | −12°30′30″ |
| Apparent magnitude (V) | +4.30/+8.5 |
| Distance | 690 ± 140 ly (211 ± 43 pc) |
| Spectral type | G3Ib |
| Other designations | |
- For other star systems with this Bayer designation, see Alpha Capricorni.
Alpha¹ Capricorni (α¹ Cap / α¹ Capricorni) is a binary star in the constellation Capricornus. It also has the traditional star name Prima Giedi or Algiedi Prima, and shares the name Algedi with α² Capricorni. It is approximately 690 light years from Earth.
The primary component, α¹ Capricorni A, is a yellow G-type supergiant with an apparent magnitude of +4.30. Its companion, α¹ Capricorni B, is an eighth magnitude star, separated by 0.65 arcseconds from the primary.
[edit] References
Kaler, Jim (2005). "Algedi". Retrieved July 27, 2005.
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