5 Lac
5 Lac
5 Lac is a M-type (Red) star. It carries the designation 5 Lac.
At a distance of roughly 1,647 light-years, 5 Lac is a distant star lying deep within the Milky Way galaxy.
5 Lac is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
With an apparent magnitude of +4.34, 5 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 red hue, which corresponds to a B-V color index of +1.679.
物理特性
| 光谱类型 | M Class M — M-type (Red) |
| 色指数 (B−V) | 1.679 |
观测
| 视星等 | +4.34 |
| 绝对星等 | -4.18 |
| 距离 | 1,647 ly |
位置
| 赤经 | 22h 29.53m |
| 赤纬 | 47° 42.41′ |
Frequently Asked Questions
What type of star is 5 Lac?
5 Lac is a Class M — M-type (Red) star.
How far is 5 Lac from Earth?
5 Lac is approximately 1,647.2 light-years from Earth.
Can you see 5 Lac with the naked eye?
With an apparent magnitude of 4.34, 5 Lac is visible to the naked eye.