Акрукс vs Спика
| Свойство | Акрукс | Спика |
|---|---|---|
| Обозначение | Alp1Cru | 67Alp Vir |
| Созвездие | Crux | Virgo |
| Спектральный класс | Class B — B-type (Blue-White) | Class B — B-type (Blue-White) |
| Видимая звёздная величина | +0.77 | +0.98 |
| Абсолютная звёздная величина | -4,20 | -3,44 |
| Расстояние | 322 ly | 250 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 among the brightest stars in the southern sky and both are hot B-type systems.
- ◆ Acrux is the brightest star in the Southern Cross; Spica is the brightest in Virgo.
- ◆ Spica is a tidally distorted spectroscopic binary with a 4-day orbital period.
- ◆ Acrux has components resolvable through a small telescope; Spica's components cannot be resolved visually.
- ◆ Acrux appears on the national flags of Australia, New Zealand, Papua New Guinea, Samoa, and Brazil.