Альтаир
53Alp Aql
Альтаир is a A-type (White) star located in the constellation Aquila. It carries the designation 53Alp Aql.
Альтаир lies approximately 16.7 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 16 years ago.
Альтаир is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
Альтаир has an apparent magnitude of +0.76, 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 blue-white hue, which corresponds to a B-V color index of +0.221.
Физические свойства
| Спектральный класс | Class A — A-type (White) |
| Показатель цвета (B−V) | 0,221 |
Наблюдение
| Видимая звёздная величина | +0.76 |
| Абсолютная звёздная величина | 2,21 |
| Расстояние | 16.7 ly |
| Созвездие | Aquila |
Положение
| Прямое восхождение | 19h 50,78m |
| Склонение | 8° 52,10′ |
Часто задаваемые вопросы
What type of star is Альтаир?
Альтаир is a Class A — A-type (White) star.
How far is Альтаир from Earth?
Альтаир is approximately 16.7 light-years from Earth.
Can you see Альтаир with the naked eye?
With an apparent magnitude of 0.76, Альтаир is visible to the naked eye.
What constellation is Альтаир in?
Альтаир is located in the constellation Aquila.