HIP 81921
HIP 81921 is a M-type (Red) star located in the constellation Scorpius.
At a distance of roughly 1,165 light-years, HIP 81921 is a distant star lying deep within the Milky Way galaxy.
HIP 81921 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 81921 has an apparent magnitude of +9.08, 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 +1.945.
물리적 특성
| 분광형 | Class M — M-type (Red) |
| 색지수 (B−V) | 1.945 |
관측
| 겉보기 등급 | +9.08 |
| 절대 등급 | 1.32 |
| 거리 | 1,165 ly |
| 별자리 | Scorpius |
위치
| 적경 | 16h 43.97m |
| 적위 | -36° 38.35′ |
자주 묻는 질문
What type of star is HIP 81921?
HIP 81921 is a Class M — M-type (Red) star.
How far is HIP 81921 from Earth?
HIP 81921 is approximately 1,164.8 light-years from Earth.
Can you see HIP 81921 with the naked eye?
With an apparent magnitude of 9.08, HIP 81921 is not visible to the naked eye.
What constellation is HIP 81921 in?
HIP 81921 is located in the constellation Scorpius.