2 UMa
2 UMa
2 UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 2 UMa.
Located approximately 152.5 light-years from Earth, 2 UMa resides within the broader disk of our Milky Way galaxy.
2 UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.47, 2 UMa sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.207.
Физические свойства
| Спектральный класс | Class A — A-type (White) |
| Показатель цвета (B−V) | 0,207 |
Наблюдение
| Видимая звёздная величина | +5.47 |
| Абсолютная звёздная величина | 2,12 |
| Расстояние | 152 ly |
| Созвездие | Ursa Major |
Положение
| Прямое восхождение | 8h 34,60m |
| Склонение | 65° 8,71′ |
Часто задаваемые вопросы
What type of star is 2 UMa?
2 UMa is a Class A — A-type (White) star.
How far is 2 UMa from Earth?
2 UMa is approximately 152.5 light-years from Earth.
Can you see 2 UMa with the naked eye?
With an apparent magnitude of 5.47, 2 UMa is visible to the naked eye.
What constellation is 2 UMa in?
2 UMa is located in the constellation Ursa Major.