HIP 21557
HIP 21557 is a K-type (Orange) star.
Located approximately 380.6 light-years from Earth, HIP 21557 resides within the broader disk of our Milky Way galaxy.
HIP 21557 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21557 has an apparent magnitude of +7.15, 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 yellow hue, which corresponds to a B-V color index of +0.958.
物理的特性
| スペクトル型 | K Class K — K-type (Orange) |
| 色指数 (B−V) | 0.958 |
観測
| 見かけの等級 | +7.15 |
| 絶対等級 | 1.82 |
| 距離 | 381 ly |
位置
| 赤経 | 4h 37.71m |
| 赤緯 | -2° 38.79′ |
Frequently Asked Questions
What type of star is HIP 21557?
HIP 21557 is a Class K — K-type (Orange) star.
How far is HIP 21557 from Earth?
HIP 21557 is approximately 380.6 light-years from Earth.
Can you see HIP 21557 with the naked eye?
With an apparent magnitude of 7.15, HIP 21557 is not visible to the naked eye.