23 UMa
23 UMa
23 UMa is a F-type (Yellow-White) star located in the constellation Ursa Major. It carries the designation 23 UMa.
Located approximately 77.7 light-years from Earth, 23 UMa resides within the broader disk of our Milky Way galaxy.
23 UMa is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
At an apparent magnitude of +3.65, 23 UMa is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its white hue, which corresponds to a B-V color index of +0.360.
물리적 특성
| 분광형 | F Class F — F-type (Yellow-White) |
| 색지수 (B−V) | 0.360 |
관측
| 겉보기 등급 | +3.65 |
| 절대 등급 | 1.77 |
| 거리 | 77.7 ly |
| 별자리 | Ursa Major |
위치
| 적경 | 9h 31.53m |
| 적위 | 63° 3.71′ |
Frequently Asked Questions
What type of star is 23 UMa?
23 UMa is a Class F — F-type (Yellow-White) star.
How far is 23 UMa from Earth?
23 UMa is approximately 77.7 light-years from Earth.
Can you see 23 UMa with the naked eye?
With an apparent magnitude of 3.65, 23 UMa is visible to the naked eye.
What constellation is 23 UMa in?
23 UMa is located in the constellation Ursa Major.