HIP 87221
HIP 87221 is a M-type (Red) star located in the constellation Scorpius.
At a distance of roughly 2,509 light-years, HIP 87221 is a distant star lying deep within the Milky Way galaxy.
HIP 87221 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 87221 has an apparent magnitude of +9.84, 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-white hue, which corresponds to a B-V color index of +0.070.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | Class M — M-type (Red) |
| ดัชนีสี (B−V) | 0.070 |
การสังเกต
| โชติมาตรปรากฏ | +9.84 |
| โชติมาตรสัมบูรณ์ | 0.41 |
| ระยะทาง | 2,509 ly |
| กลุ่มดาว | Scorpius |
ตำแหน่ง
| ไรต์แอสเซนชัน | 17h 49.18m |
| เดคลิเนชัน | -33° 15.01′ |
คำถามที่พบบ่อย
What type of star is HIP 87221?
HIP 87221 is a Class M — M-type (Red) star.
How far is HIP 87221 from Earth?
HIP 87221 is approximately 2,508.9 light-years from Earth.
Can you see HIP 87221 with the naked eye?
With an apparent magnitude of 9.84, HIP 87221 is not visible to the naked eye.
What constellation is HIP 87221 in?
HIP 87221 is located in the constellation Scorpius.