HIP 21917
HIP 21917 is a B-type (Blue-White) star.
HIP 21917 is an extraordinarily remote star, situated approximately 326,156 light-years from Earth.
HIP 21917 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
HIP 21917 has an apparent magnitude of +9.87, 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 +0.334.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | Class B — B-type (Blue-White) |
| ดัชนีสี (B−V) | 0.334 |
การสังเกต
| โชติมาตรปรากฏ | +9.87 |
| โชติมาตรสัมบูรณ์ | -10.13 |
| ระยะทาง | 326,156 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 42.81m |
| เดคลิเนชัน | 64° 50.71′ |
คำถามที่พบบ่อย
What type of star is HIP 21917?
HIP 21917 is a Class B — B-type (Blue-White) star.
How far is HIP 21917 from Earth?
HIP 21917 is approximately 326,156.0 light-years from Earth.
Can you see HIP 21917 with the naked eye?
With an apparent magnitude of 9.87, HIP 21917 is not visible to the naked eye.