21Nu 2CrB
21Nu 2CrB
21Nu 2CrB is a K-type (Orange) star. It carries the designation 21Nu 2CrB.
Located approximately 594.1 light-years from Earth, 21Nu 2CrB resides within the broader disk of our Milky Way galaxy.
21Nu 2CrB is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +5.40, 21Nu 2CrB sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its red hue, which corresponds to a B-V color index of +1.523.
物理特性
| 光谱类型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 1.523 |
观测
| 视星等 | +5.40 |
| 绝对星等 | -0.90 |
| 距离 | 594 ly |
位置
| 赤经 | 16h 22.49m |
| 赤纬 | 33° 42.21′ |
Frequently Asked Questions
What type of star is 21Nu 2CrB?
21Nu 2CrB is a Class K — K-type (Orange) star.
How far is 21Nu 2CrB from Earth?
21Nu 2CrB is approximately 594.1 light-years from Earth.
Can you see 21Nu 2CrB with the naked eye?
With an apparent magnitude of 5.40, 21Nu 2CrB is visible to the naked eye.