Alchiba
1Alp Crv
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Alchiba is a F-type (Yellow-White) star. It carries the designation 1Alp Crv.
Alchiba lies approximately 48.7 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 48 years ago.
Alchiba is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.02, Alchiba 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 +0.334.
物理特性
| 光谱类型 | F Class F — F-type (Yellow-White) |
| 色指数 (B−V) | 0.334 |
观测
| 视星等 | +4.02 |
| 绝对星等 | 3.15 |
| 距离 | 48.7 ly |
位置
| 赤经 | 12h 8.41m |
| 赤纬 | -24° 43.73′ |