HIP 99991
HIP 99991 is a B-type (Blue-White) star located in the constellation Cygnus.
At a distance of roughly 1,208 light-years, HIP 99991 is a distant star lying deep within the Milky Way galaxy.
HIP 99991 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 99991 has an apparent magnitude of +9.13, 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 white hue, which corresponds to a B-V color index of +0.380.
Физические свойства
| Спектральный класс | Class B — B-type (Blue-White) |
| Показатель цвета (B−V) | 0,380 |
Наблюдение
| Видимая звёздная величина | +9.13 |
| Абсолютная звёздная величина | 1,29 |
| Расстояние | 1,208 ly |
| Созвездие | Cygnus |
Положение
| Прямое восхождение | 20h 17,14m |
| Склонение | 30° 6,72′ |
Часто задаваемые вопросы
What type of star is HIP 99991?
HIP 99991 is a Class B — B-type (Blue-White) star.
How far is HIP 99991 from Earth?
HIP 99991 is approximately 1,208.0 light-years from Earth.
Can you see HIP 99991 with the naked eye?
With an apparent magnitude of 9.13, HIP 99991 is not visible to the naked eye.
What constellation is HIP 99991 in?
HIP 99991 is located in the constellation Cygnus.