HIP 17821
HIP 17821 is a M-type (Red) star.
At a distance of roughly 1,226 light-years, HIP 17821 is a distant star lying deep within the Milky Way galaxy.
HIP 17821 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 17821 has an apparent magnitude of +7.02, 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 red hue, which corresponds to a B-V color index of +1.453.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | Class M — M-type (Red) |
| ดัชนีสี (B−V) | 1.453 |
การสังเกต
| โชติมาตรปรากฏ | +7.02 |
| โชติมาตรสัมบูรณ์ | -0.86 |
| ระยะทาง | 1,226 ly |
ตำแหน่ง
| ไรต์แอสเซนชัน | 3h 48.79m |
| เดคลิเนชัน | -7° 0.90′ |
คำถามที่พบบ่อย
What type of star is HIP 17821?
HIP 17821 is a Class M — M-type (Red) star.
How far is HIP 17821 from Earth?
HIP 17821 is approximately 1,226.2 light-years from Earth.
Can you see HIP 17821 with the naked eye?
With an apparent magnitude of 7.02, HIP 17821 is not visible to the naked eye.