HIP 20021
HIP 20021 is a A-type (White) star located in the constellation Perseus.
At a distance of roughly 2,001 light-years, HIP 20021 is a distant star lying deep within the Milky Way galaxy.
HIP 20021 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 20021 has an apparent magnitude of +8.89, 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 blue-white hue, which corresponds to a B-V color index of +0.137.
Физические свойства
| Спектральный класс | Class A — A-type (White) |
| Показатель цвета (B−V) | 0,137 |
Наблюдение
| Видимая звёздная величина | +8.89 |
| Абсолютная звёздная величина | -0,05 |
| Расстояние | 2,001 ly |
| Созвездие | Perseus |
Положение
| Прямое восхождение | 4h 17,68m |
| Склонение | 34° 3,07′ |
Часто задаваемые вопросы
What type of star is HIP 20021?
HIP 20021 is a Class A — A-type (White) star.
How far is HIP 20021 from Earth?
HIP 20021 is approximately 2,001.0 light-years from Earth.
Can you see HIP 20021 with the naked eye?
With an apparent magnitude of 8.89, HIP 20021 is not visible to the naked eye.
What constellation is HIP 20021 in?
HIP 20021 is located in the constellation Perseus.