Dubhe
50Alp UMa
Dubhe is a F-type (Yellow-White) star located in the constellation Ursa Major. It carries the designation 50Alp UMa.
Located approximately 122.9 light-years from Earth, Dubhe resides within the broader disk of our Milky Way galaxy.
Dubhe is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
Dubhe has an apparent magnitude of +1.81, 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 orange hue, which corresponds to a B-V color index of +1.061.
Физические свойства
| Спектральный класс | Class F — F-type (Yellow-White) |
| Показатель цвета (B−V) | 1,061 |
Наблюдение
| Видимая звёздная величина | +1.81 |
| Абсолютная звёздная величина | -1,07 |
| Расстояние | 123 ly |
| Созвездие | Ursa Major |
Положение
| Прямое восхождение | 11h 3,73m |
| Склонение | 61° 45,06′ |
Часто задаваемые вопросы
What type of star is Dubhe?
Dubhe is a Class F — F-type (Yellow-White) star.
How far is Dubhe from Earth?
Dubhe is approximately 122.9 light-years from Earth.
Can you see Dubhe with the naked eye?
With an apparent magnitude of 1.81, Dubhe is visible to the naked eye.
What constellation is Dubhe in?
Dubhe is located in the constellation Ursa Major.