HIP 21057
HIP 21057 is a M-type (Red) star.
At a distance of roughly 1,773 light-years, HIP 21057 is a distant star lying deep within the Milky Way galaxy.
HIP 21057 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 21057 has an apparent magnitude of +7.91, 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 red hue, which corresponds to a B-V color index of +1.673.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | Class M — M-type (Red) |
| ดัชนีสี (B−V) | 1.673 |
การสังเกต
| โชติมาตรปรากฏ | +7.91 |
| โชติมาตรสัมบูรณ์ | -0.77 |
| ระยะทาง | 1,773 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 4h 30.81m |
| เดคลิเนชัน | -45° 35.79′ |
คำถามที่พบบ่อย
What type of star is HIP 21057?
HIP 21057 is a Class M — M-type (Red) star.
How far is HIP 21057 from Earth?
HIP 21057 is approximately 1,772.6 light-years from Earth.
Can you see HIP 21057 with the naked eye?
With an apparent magnitude of 7.91, HIP 21057 is not visible to the naked eye.