Альнилам vs Ригель
| Свойство | Альнилам | Ригель |
|---|---|---|
| Обозначение | 46Eps Ori | 19Bet Ori |
| Созвездие | Orion | Orion |
| Спектральный класс | Class B — B-type (Blue-White) | Class B — B-type (Blue-White) |
| Видимая звёздная величина | +1.69 | +0.18 |
| Абсолютная звёздная величина | -7,22 | -6,93 |
| Расстояние | 1,977 ly | 863 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 massive, highly luminous stars visible in Orion.
- ◆ Alnilam is the middle star of Orion's Belt — both are blue supergiants, though Alnilam is hotter at ~27,500 K versus Rigel's ~12,100 K.
- ◆ Alnilam is about 2,000 light-years distant; Rigel is closer at ~860 light-years.
- ◆ Alnilam has a mass of ~40 M☉, nearly double Rigel's ~21 M☉.
- ◆ Rigel is visible at the foot of Orion; Alnilam is the central jewel of Orion's Belt.