9 Cyg
9 Cyg
9 Cyg is a A-type (White) star located in the constellation Cygnus. It carries the designation 9 Cyg.
Located approximately 558.5 light-years from Earth, 9 Cyg resides within the broader disk of our Milky Way galaxy.
9 Cyg is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.39, 9 Cyg 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 white hue, which corresponds to a B-V color index of +0.581.
물리적 특성
| 분광형 | A Class A — A-type (White) |
| 색지수 (B−V) | 0.581 |
관측
| 겉보기 등급 | +5.39 |
| 절대 등급 | -0.78 |
| 거리 | 558 ly |
| 별자리 | Cygnus |
위치
| 적경 | 19h 34.85m |
| 적위 | 29° 27.78′ |
Frequently Asked Questions
What type of star is 9 Cyg?
9 Cyg is a Class A — A-type (White) star.
How far is 9 Cyg from Earth?
9 Cyg is approximately 558.5 light-years from Earth.
Can you see 9 Cyg with the naked eye?
With an apparent magnitude of 5.39, 9 Cyg is visible to the naked eye.
What constellation is 9 Cyg in?
9 Cyg is located in the constellation Cygnus.