Полярная звезда
1Alp UMi
Полярная звезда is a F-type (Yellow-White) star. It carries the designation 1Alp UMi.
Located approximately 432.6 light-years from Earth, Полярная звезда resides within the broader disk of our Milky Way galaxy.
Полярная звезда is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
Полярная звезда has an apparent magnitude of +1.97, 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 yellow-white hue, which corresponds to a B-V color index of +0.636.
Физические свойства
| Спектральный класс | Class F — F-type (Yellow-White) |
| Показатель цвета (B−V) | 0,636 |
Наблюдение
| Видимая звёздная величина | +1.97 |
| Абсолютная звёздная величина | -3,64 |
| Расстояние | 433 ly |
Положение
| Прямое восхождение | 2h 31,79m |
| Склонение | 89° 15,85′ |
Related Chemistry
Explore the chemical elements connected to Полярная звезда on our sister site ChemFYI.
Hydrogen lines still prominent in F-type supergiant spectra
Helium from core fusion, now in evolved shell-burning phase
Metallic absorption lines strengthen in F-type stars
Ca II H & K lines become visible in late-F spectra
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