Ахернар
Alp Eri
Ахернар is a B-type (Blue-White) star. It carries the designation Alp Eri.
Located approximately 139.4 light-years from Earth, Ахернар resides within the broader disk of our Milky Way galaxy.
Ахернар is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
Ахернар has an apparent magnitude of +0.45, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue hue, which corresponds to a B-V color index of -0.158.
Физические свойства
| Спектральный класс | Class B — B-type (Blue-White) |
| Показатель цвета (B−V) | -0,158 |
Наблюдение
| Видимая звёздная величина | +0.45 |
| Абсолютная звёздная величина | -2,70 |
| Расстояние | 139 ly |
Положение
| Прямое восхождение | 1h 37,71m |
| Склонение | -57° 14,21′ |
Часто задаваемые вопросы
What type of star is Ахернар?
Ахернар is a Class B — B-type (Blue-White) star.
How far is Ахернар from Earth?
Ахернар is approximately 139.4 light-years from Earth.
Can you see Ахернар with the naked eye?
With an apparent magnitude of 0.45, Ахернар is visible to the naked eye.