HIP 21387
HIP 21387 is a K-type (Orange) star located in the constellation Perseus.
Located approximately 979.5 light-years from Earth, HIP 21387 resides within the broader disk of our Milky Way galaxy.
HIP 21387 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21387 has an apparent magnitude of +7.74, 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 +1.586.
物理特性
| 光谱类型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 1.586 |
观测
| 视星等 | +7.74 |
| 绝对星等 | 0.35 |
| 距离 | 979 ly |
| 星座 | Perseus |
位置
| 赤经 | 4h 35.41m |
| 赤纬 | 37° 29.94′ |
Frequently Asked Questions
What type of star is HIP 21387?
HIP 21387 is a Class K — K-type (Orange) star.
How far is HIP 21387 from Earth?
HIP 21387 is approximately 979.4 light-years from Earth.
Can you see HIP 21387 with the naked eye?
With an apparent magnitude of 7.74, HIP 21387 is not visible to the naked eye.
What constellation is HIP 21387 in?
HIP 21387 is located in the constellation Perseus.