12 Lac
12 Lac
12 Lac is a B-type (Blue-White) star. It carries the designation 12 Lac.
At a distance of roughly 1,342 light-years, 12 Lac is a distant star lying deep within the Milky Way galaxy.
12 Lac is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.25, 12 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 -0.137.
物理特性
| 光谱类型 | B Class B — B-type (Blue-White) |
| 色指数 (B−V) | -0.137 |
观测
| 视星等 | +5.25 |
| 绝对星等 | -2.82 |
| 距离 | 1,342 ly |
位置
| 赤经 | 22h 41.48m |
| 赤纬 | 40° 13.53′ |
Frequently Asked Questions
What type of star is 12 Lac?
12 Lac is a Class B — B-type (Blue-White) star.
How far is 12 Lac from Earth?
12 Lac is approximately 1,342.2 light-years from Earth.
Can you see 12 Lac with the naked eye?
With an apparent magnitude of 5.25, 12 Lac is visible to the naked eye.