10 Lac
10 Lac
10 Lac is a O-type (Blue) star. It carries the designation 10 Lac.
At a distance of roughly 1,726 light-years, 10 Lac is a distant star lying deep within the Milky Way galaxy.
10 Lac is classified as a spectral class O star (O-type (Blue)) on the Harvard spectral classification system.
With an apparent magnitude of +4.89, 10 Lac 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 hue, which corresponds to a B-V color index of -0.207.
物理特性
| 光谱类型 | Class O — O-type (Blue) |
| 色指数 (B−V) | -0.207 |
观测
| 视星等 | +4.89 |
| 绝对星等 | -3.73 |
| 距离 | 1,726 ly |
位置
| 赤经 | 22h 39.26m |
| 赤纬 | 39° 3.02′ |
常见问题
What type of star is 10 Lac?
10 Lac is a Class O — O-type (Blue) star.
How far is 10 Lac from Earth?
10 Lac is approximately 1,725.7 light-years from Earth.
Can you see 10 Lac with the naked eye?
With an apparent magnitude of 4.89, 10 Lac is visible to the naked eye.