25Sig And
25Sig And
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25Sig And is a A-type (White) star located in the constellation Andromeda. It carries the designation 25Sig And.
Located approximately 134.8 light-years from Earth, 25Sig And resides within the broader disk of our Milky Way galaxy.
25Sig And is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.51, 25Sig And 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 +0.054.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.054 |
观测
| 视星等 | +4.51 |
| 绝对星等 | 1.43 |
| 距离 | 135 ly |
| 星座 | Andromeda |
位置
| 赤经 | 0h 18.33m |
| 赤纬 | 36° 47.11′ |