HIP 21809
HIP 21809 is a K-type (Orange) star located in the constellation Taurus.
Located approximately 622.4 light-years from Earth, HIP 21809 resides within the broader disk of our Milky Way galaxy.
HIP 21809 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HIP 21809 has an apparent magnitude of +8.44, 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 orange hue, which corresponds to a B-V color index of +1.175.
물리적 특성
| 분광형 | Class K — K-type (Orange) |
| 색지수 (B−V) | 1.175 |
관측
| 겉보기 등급 | +8.44 |
| 절대 등급 | 2.04 |
| 거리 | 622 ly |
| 별자리 | Taurus |
위치
| 적경 | 4h 41.10m |
| 적위 | 3° 30.83′ |
자주 묻는 질문
What type of star is HIP 21809?
HIP 21809 is a Class K — K-type (Orange) star.
How far is HIP 21809 from Earth?
HIP 21809 is approximately 622.4 light-years from Earth.
Can you see HIP 21809 with the naked eye?
With an apparent magnitude of 8.44, HIP 21809 is not visible to the naked eye.
What constellation is HIP 21809 in?
HIP 21809 is located in the constellation Taurus.