21 Pup
21 Pup
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21 Pup is a A-type (White) star. It carries the designation 21 Pup.
Located approximately 893.6 light-years from Earth, 21 Pup resides within the broader disk of our Milky Way galaxy.
21 Pup is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
21 Pup has an apparent magnitude of +6.32, 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 blue-white hue, which corresponds to a B-V color index of +0.057.
物理特性
| 光谱类型 | A Class A — A-type (White) |
| 色指数 (B−V) | 0.057 |
观测
| 视星等 | +6.32 |
| 绝对星等 | -0.87 |
| 距离 | 894 ly |
位置
| 赤经 | 8h 17.39m |
| 赤纬 | -16° 17.11′ |
Frequently Asked Questions
What type of star is 21 Pup?
21 Pup is a Class A — A-type (White) star.
How far is 21 Pup from Earth?
21 Pup is approximately 893.6 light-years from Earth.
Can you see 21 Pup with the naked eye?
With an apparent magnitude of 6.32, 21 Pup is not visible to the naked eye.