70 Oph
70 Oph
70 Oph is a K-type (Orange) star. It carries the designation 70 Oph.
70 Oph lies approximately 16.6 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 16 years ago.
70 Oph is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
With an apparent magnitude of +4.03, 70 Oph sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its yellow hue, which corresponds to a B-V color index of +0.860.
물리적 특성
| 분광형 | Class K — K-type (Orange) |
| 색지수 (B−V) | 0.860 |
관측
| 겉보기 등급 | +4.03 |
| 절대 등급 | 5.50 |
| 거리 | 16.6 ly |
위치
| 적경 | 18h 5.45m |
| 적위 | 2° 30.01′ |
자주 묻는 질문
What type of star is 70 Oph?
70 Oph is a Class K — K-type (Orange) star.
How far is 70 Oph from Earth?
70 Oph is approximately 16.6 light-years from Earth.
Can you see 70 Oph with the naked eye?
With an apparent magnitude of 4.03, 70 Oph is visible to the naked eye.