Арктур vs Поллукс
| Свойство | Арктур | Поллукс |
|---|---|---|
| Обозначение | 16Alp Boo | 78Bet Gem |
| Созвездие | N/A | Gemini |
| Спектральный класс | Class K — K-type (Orange) | Class K — K-type (Orange) |
| Видимая звёздная величина | -0.05 | +1.16 |
| Абсолютная звёздная величина | -0,31 | 1,08 |
| Расстояние | 36.7 ly | 33.8 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 K-type giant stars, but Arcturus is in the northern hemisphere's highlight and Pollux is in Gemini.
- ◆ Arcturus is the brightest star in the northern sky at magnitude −0.05; Pollux is the nearest giant star at ~34 ly.
- ◆ Pollux hosts a confirmed exoplanet (Thestias); Arcturus has no known planetary companions.
- ◆ Arcturus has an unusually high proper motion suggesting an unusual galactic orbit.
- ◆ Arcturus is about 170 times more luminous than the Sun; Pollux is about 33 times more luminous.