альфа Дельфина
9Alp Del
альфа Дельфина is a B-type (Blue-White) star. It carries the designation 9Alp Del.
Located approximately 253.8 light-years from Earth, альфа Дельфина resides within the broader disk of our Milky Way galaxy.
альфа Дельфина is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.77, альфа Дельфина is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its blue hue, which corresponds to a B-V color index of -0.057.
Физические свойства
| Спектральный класс | Class B — B-type (Blue-White) |
| Показатель цвета (B−V) | -0,057 |
Наблюдение
| Видимая звёздная величина | +3.77 |
| Абсолютная звёздная величина | -0,68 |
| Расстояние | 254 ly |
Положение
| Прямое восхождение | 20h 39,64m |
| Склонение | 15° 54,72′ |
Часто задаваемые вопросы
What type of star is альфа Дельфина?
альфа Дельфина is a Class B — B-type (Blue-White) star.
How far is альфа Дельфина from Earth?
альфа Дельфина is approximately 253.8 light-years from Earth.
Can you see альфа Дельфина with the naked eye?
With an apparent magnitude of 3.77, альфа Дельфина is visible to the naked eye.