Фомальгаут vs Вега
| Свойство | Фомальгаут | Вега |
|---|---|---|
| Обозначение | 24Alp PsA | 3Alp Lyr |
| Созвездие | N/A | Lyra |
| Спектральный класс | Class A — A-type (White) | Class A — A-type (White) |
| Видимая звёздная величина | +1.17 | +0.03 |
| Абсолютная звёздная величина | 1,74 | 0,60 |
| Расстояние | 25.1 ly | 25.0 ly |
| Масса | N/A | N/A |
| Радиус | N/A | N/A |
| Температура | N/A | N/A |
| Светимость | N/A | N/A |
Ключевые различия
- ◆ Both are young A-type benchmark stars with prominent debris disks, used to calibrate stellar and planetary evolution models.
- ◆ Fomalhaut is the southernmost autumn star easily seen from northern mid-latitudes.
- ◆ Vega is approximately 1.9 times more massive than Fomalhaut.
- ◆ Both have been candidate targets for direct imaging of orbiting companions.
- ◆ Fomalhaut is one of only 18 stars with disks resolved by Hubble; Vega's disk was first revealed by IRAS in 1983.