HIP 21904
HIP 21904 is a A-type (White) star located in the constellation Taurus.
At a distance of roughly 2,992 light-years, HIP 21904 is a distant star lying deep within the Milky Way galaxy.
HIP 21904 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21904 has an apparent magnitude of +8.16, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.755.
Физические свойства
| Спектральный класс | Class A — A-type (White) |
| Показатель цвета (B−V) | 0,755 |
Наблюдение
| Видимая звёздная величина | +8.16 |
| Абсолютная звёздная величина | -1,65 |
| Расстояние | 2,992 ly |
| Созвездие | Taurus |
Положение
| Прямое восхождение | 4h 42,62m |
| Склонение | 12° 18,67′ |
Часто задаваемые вопросы
What type of star is HIP 21904?
HIP 21904 is a Class A — A-type (White) star.
How far is HIP 21904 from Earth?
HIP 21904 is approximately 2,992.3 light-years from Earth.
Can you see HIP 21904 with the naked eye?
With an apparent magnitude of 8.16, HIP 21904 is not visible to the naked eye.
What constellation is HIP 21904 in?
HIP 21904 is located in the constellation Taurus.