Yildun
23Del UMi
Yildun is a A-type (White) star. It carries the designation 23Del UMi.
Located approximately 172.1 light-years from Earth, Yildun resides within the broader disk of our Milky Way galaxy.
Yildun is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.35, Yildun 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 blue-white hue, which corresponds to a B-V color index of +0.021.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.021 |
观测
| 视星等 | +4.35 |
| 绝对星等 | 0.74 |
| 距离 | 172 ly |
位置
| 赤经 | 17h 32.22m |
| 赤纬 | 86° 35.19′ |
Frequently Asked Questions
What type of star is Yildun?
Yildun is a Class A — A-type (White) star.
How far is Yildun from Earth?
Yildun is approximately 172.1 light-years from Earth.
Can you see Yildun with the naked eye?
With an apparent magnitude of 4.35, Yildun is visible to the naked eye.