HIP 20857
HIP 20857 is a B-type (Blue-White) star.
At a distance of roughly 1,424 light-years, HIP 20857 is a distant star lying deep within the Milky Way galaxy.
HIP 20857 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 20857 has an apparent magnitude of +8.02, 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 hue, which corresponds to a B-V color index of -0.031.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | Class B — B-type (Blue-White) |
| ดัชนีสี (B−V) | -0.031 |
การสังเกต
| โชติมาตรปรากฏ | +8.02 |
| โชติมาตรสัมบูรณ์ | -0.18 |
| ระยะทาง | 1,424 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 28.18m |
| เดคลิเนชัน | -12° 15.91′ |
คำถามที่พบบ่อย
What type of star is HIP 20857?
HIP 20857 is a Class B — B-type (Blue-White) star.
How far is HIP 20857 from Earth?
HIP 20857 is approximately 1,424.3 light-years from Earth.
Can you see HIP 20857 with the naked eye?
With an apparent magnitude of 8.02, HIP 20857 is not visible to the naked eye.