HIP 21857
HIP 21857 is a K-type (Orange) star.
Located approximately 457.4 light-years from Earth, HIP 21857 resides within the broader disk of our Milky Way galaxy.
HIP 21857 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21857 has an apparent magnitude of +7.94, 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 orange hue, which corresponds to a B-V color index of +1.136.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | K Class K — K-type (Orange) |
| ดัชนีสี (B−V) | 1.136 |
การสังเกต
| โชติมาตรปรากฏ | +7.94 |
| โชติมาตรสัมบูรณ์ | 2.20 |
| ระยะทาง | 457 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 41.99m |
| เดคลิเนชัน | -54° 48.02′ |
Frequently Asked Questions
What type of star is HIP 21857?
HIP 21857 is a Class K — K-type (Orange) star.
How far is HIP 21857 from Earth?
HIP 21857 is approximately 457.4 light-years from Earth.
Can you see HIP 21857 with the naked eye?
With an apparent magnitude of 7.94, HIP 21857 is not visible to the naked eye.