HIP 21787
HIP 21787 is a A-type (White) star.
Located approximately 347.0 light-years from Earth, HIP 21787 resides within the broader disk of our Milky Way galaxy.
HIP 21787 is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
HIP 21787 has an apparent magnitude of +7.75, 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 +0.337.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.337 |
观测
| 视星等 | +7.75 |
| 绝对星等 | 2.62 |
| 距离 | 347 ly |
位置
| 赤经 | 4h 40.81m |
| 赤纬 | -56° 1.85′ |
Frequently Asked Questions
What type of star is HIP 21787?
HIP 21787 is a Class A — A-type (White) star.
How far is HIP 21787 from Earth?
HIP 21787 is approximately 347.0 light-years from Earth.
Can you see HIP 21787 with the naked eye?
With an apparent magnitude of 7.75, HIP 21787 is not visible to the naked eye.