Альдебаран vs Арктур
| Свойство | Альдебаран | Арктур |
|---|---|---|
| Обозначение | 87Alp Tau | 16Alp Boo |
| Созвездие | Taurus | N/A |
| Спектральный класс | Class K — K-type (Orange) | Class K — K-type (Orange) |
| Видимая звёздная величина | +0.87 | -0.05 |
| Абсолютная звёздная величина | -0,68 | -0,31 |
| Расстояние | 66.6 ly | 36.7 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 orange K-type giants that have evolved off the main sequence.
- ◆ Arcturus is the brightest star in the northern celestial hemisphere at magnitude −0.05.
- ◆ Aldebaran is larger at ~44 R☉ versus Arcturus at ~25 R☉.
- ◆ Arcturus is much closer at 36.7 light-years; Aldebaran is about 65 light-years away.
- ◆ Arcturus has an unusually high proper motion and may be a remnant of a disrupted dwarf galaxy.