Вега
3Alp Lyr
Вега is a A-type (White) star located in the constellation Lyra. It carries the designation 3Alp Lyr.
Вега lies approximately 25.0 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 25 years ago.
Вега is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
Вега has an apparent magnitude of +0.03, 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 hue, which corresponds to a B-V color index of -0.001.
Физические свойства
| Спектральный класс | Class A — A-type (White) |
| Показатель цвета (B−V) | -0,001 |
Наблюдение
| Видимая звёздная величина | +0.03 |
| Абсолютная звёздная величина | 0,60 |
| Расстояние | 25.0 ly |
| Созвездие | Lyra |
Положение
| Прямое восхождение | 18h 36,94m |
| Склонение | 38° 47,02′ |
Related Chemistry
Explore the chemical elements connected to Вега on our sister site ChemFYI.
Vega's A0 classification means peak hydrogen absorption lines
Helium lines appear weakly in A0 spectra
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