663 B
663 B
| name | constellation | created_by | created_date | updated_by | updated_date |
|---|---|---|---|---|---|
| Alderamin (α Cep) | Cep | editor.cs | 2023-11-05 17:14:49.395548 | editor.cs | 2023-11-05 17:14:49.395550 |
The brightest star of the constellation has a magnitude of 2.44. It is a yellow-white star of spectral class A7, located 49 light-years away from us, forming a quadrilateral with the stars β (magnitude 3.21), ζ (magnitude 3.35), and ι (magnitude 3.52). In its center lies the star ξ Cep. Due to the precession of the Earth's axis, Alderamin will become the closest star to the North Celestial Pole around the year 7500 AD. It has a luminosity 17 times greater than that of the Sun.