HIP 21917
HIP 21917 is a B-type (Blue-White) star.
HIP 21917 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21917 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21917 has an apparent magnitude of +9.87, 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 white hue, which corresponds to a B-V color index of +0.334.
物理特性
| 光谱类型 | Class B — B-type (Blue-White) |
| 色指数 (B−V) | 0.334 |
观测
| 视星等 | +9.87 |
| 绝对星等 | -10.13 |
| 距离 | 326,156 ly |
位置
| 赤经 | 4h 42.81m |
| 赤纬 | 64° 50.71′ |
常见问题
What type of star is HIP 21917?
HIP 21917 is a Class B — B-type (Blue-White) star.
How far is HIP 21917 from Earth?
HIP 21917 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21917 with the naked eye?
With an apparent magnitude of 9.87, HIP 21917 is not visible to the naked eye.