40Xi Oph
40Xi Oph
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40Xi Oph is a F-type (Yellow-White) star. It carries the designation 40Xi Oph.
Located approximately 56.6 light-years from Earth, 40Xi Oph resides within the broader disk of our Milky Way galaxy.
40Xi Oph is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.39, 40Xi Oph 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 white hue, which corresponds to a B-V color index of +0.394.
物理特性
| 光谱类型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.394 |
观测
| 视星等 | +4.39 |
| 绝对星等 | 3.19 |
| 距离 | 56.6 ly |
位置
| 赤经 | 17h 21.01m |
| 赤纬 | -21° 6.78′ |