HYG 118640
HYG 118640 is a M-type (Red) star located in the constellation Leo.
HYG 118640 lies approximately 39.7 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 39 years ago.
HYG 118640 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +14.23, HYG 118640 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars. Observers will note its red hue, which corresponds to a B-V color index of +1.780.
物理特性
| 光谱类型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.780 |
观测
| 视星等 | +14.23 |
| 绝对星等 | 13.80 |
| 距离 | 39.7 ly |
| 星座 | Leo |
位置
| 赤经 | 9h 41.03m |
| 赤纬 | 22° 1.50′ |
常见问题
What type of star is HYG 118640?
HYG 118640 is a Class M — M-type (Red) star.
How far is HYG 118640 from Earth?
HYG 118640 is approximately 39.7 light-years from Earth.
Can you see HYG 118640 with the naked eye?
With an apparent magnitude of 14.23, HYG 118640 is not visible to the naked eye.
What constellation is HYG 118640 in?
HYG 118640 is located in the constellation Leo.