HIP 81815
HIP 81815 is a M-type (Red) star located in the constellation Hercules.
At a distance of roughly 2,992 light-years, HIP 81815 is a distant star lying deep within the Milky Way galaxy.
HIP 81815 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
HIP 81815 has an apparent magnitude of +8.41, 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 +1.527.
물리적 특성
| 분광형 | Class M — M-type (Red) |
| 색지수 (B−V) | 1.527 |
관측
| 겉보기 등급 | +8.41 |
| 절대 등급 | -1.40 |
| 거리 | 2,992 ly |
| 별자리 | Hercules |
위치
| 적경 | 16h 42.65m |
| 적위 | 48° 24.40′ |
자주 묻는 질문
What type of star is HIP 81815?
HIP 81815 is a Class M — M-type (Red) star.
How far is HIP 81815 from Earth?
HIP 81815 is approximately 2,992.3 light-years from Earth.
Can you see HIP 81815 with the naked eye?
With an apparent magnitude of 8.41, HIP 81815 is not visible to the naked eye.
What constellation is HIP 81815 in?
HIP 81815 is located in the constellation Hercules.