45Ome UMa
45Ome UMa
45Ome UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 45Ome UMa.
Located approximately 246.3 light-years from Earth, 45Ome UMa resides within the broader disk of our Milky Way galaxy.
45Ome UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.66, 45Ome 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 hue, which corresponds to a B-V color index of -0.039.
物理特性
| 光谱类型 | Class A — A-type (White) |
| 色指数 (B−V) | -0.039 |
观测
| 视星等 | +4.66 |
| 绝对星等 | 0.27 |
| 距离 | 246 ly |
| 星座 | Ursa Major |
位置
| 赤经 | 10h 53.98m |
| 赤纬 | 43° 11.40′ |
常见问题
What type of star is 45Ome UMa?
45Ome UMa is a Class A — A-type (White) star.
How far is 45Ome UMa from Earth?
45Ome UMa is approximately 246.3 light-years from Earth.
Can you see 45Ome UMa with the naked eye?
With an apparent magnitude of 4.66, 45Ome UMa is visible to the naked eye.
What constellation is 45Ome UMa in?
45Ome UMa is located in the constellation Ursa Major.