HIP 21722
HIP 21722 is a A-type (White) star.
At a distance of roughly 1,226 light-years, HIP 21722 is a distant star lying deep within the Milky Way galaxy.
HIP 21722 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
At an apparent magnitude of +10.33, HIP 21722 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 blue-white hue, which corresponds to a B-V color index of +0.270.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.270 |
观测
| 视星等 | +10.33 |
| 绝对星等 | 2.45 |
| 距离 | 1,226 ly |
位置
| 赤经 | 4h 39.82m |
| 赤纬 | -20° 4.01′ |
Frequently Asked Questions
What type of star is HIP 21722?
HIP 21722 is a Class A — A-type (White) star.
How far is HIP 21722 from Earth?
HIP 21722 is approximately 1,226.2 light-years from Earth.
Can you see HIP 21722 with the naked eye?
With an apparent magnitude of 10.33, HIP 21722 is not visible to the naked eye.