2 UMa
2 UMa
2 UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 2 UMa.
Located approximately 152.5 light-years from Earth, 2 UMa resides within the broader disk of our Milky Way galaxy.
2 UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.47, 2 UMa 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 blue-white hue, which corresponds to a B-V color index of +0.207.
물리적 특성
| 분광형 | Class A — A-type (White) |
| 색지수 (B−V) | 0.207 |
관측
| 겉보기 등급 | +5.47 |
| 절대 등급 | 2.12 |
| 거리 | 152 ly |
| 별자리 | Ursa Major |
위치
| 적경 | 8h 34.60m |
| 적위 | 65° 8.71′ |
자주 묻는 질문
What type of star is 2 UMa?
2 UMa is a Class A — A-type (White) star.
How far is 2 UMa from Earth?
2 UMa is approximately 152.5 light-years from Earth.
Can you see 2 UMa with the naked eye?
With an apparent magnitude of 5.47, 2 UMa is visible to the naked eye.
What constellation is 2 UMa in?
2 UMa is located in the constellation Ursa Major.