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Alderamin
Alp
Nearby starIts story
Alderamin, «the right arm» in Arabic, rests in the constellation of King Cepheus, near the northern celestial pole. Only 49 light years away, it is a white A-class star spinning at a furious pace, completing a rotation in less than half an Earth day. Because of Earth's slow axial drift, in about 5500 years it will become the northern pole star.
- Constellation
- Cepheus
- Apparent magnitude
- 2.45
- Distance
- 49.1 light years
- Coordinates (J2000)
- RA 319.644° · Dec 62.586°
- Catalogue
- HIP 105199 · HD 203280
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