HIP 42220
HIP 42220 is a M-type (Red) star located in the constellation Ursa Major.
HIP 42220 lies approximately 44.9 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 44 years ago.
HIP 42220 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 42220 has an apparent magnitude of +9.28, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its red hue, which corresponds to a B-V color index of +1.417.
物理特性
| 光谱类型 | Class M — M-type (Red) |
| 色指数 (B−V) | 1.417 |
观测
| 视星等 | +9.28 |
| 绝对星等 | 8.58 |
| 距离 | 44.9 ly |
| 星座 | Ursa Major |
位置
| 赤经 | 8h 36.44m |
| 赤纬 | 67° 17.71′ |
常见问题
What type of star is HIP 42220?
HIP 42220 is a Class M — M-type (Red) star.
How far is HIP 42220 from Earth?
HIP 42220 is approximately 44.9 light-years from Earth.
Can you see HIP 42220 with the naked eye?
With an apparent magnitude of 9.28, HIP 42220 is not visible to the naked eye.
What constellation is HIP 42220 in?
HIP 42220 is located in the constellation Ursa Major.