49 UMa
49 UMa
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49 UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 49 UMa.
Located approximately 376.6 light-years from Earth, 49 UMa resides within the broader disk of our Milky Way galaxy.
49 UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.06, 49 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 +0.255.
Đặc tính vật lý
| Phân Loại Quang Phổ | A Class A — A-type (White) |
| Chỉ số màu (B−V) | 0,255 |
Quan sát
| Cấp Sao Biểu Kiến | +5.06 |
| Cấp Sao Tuyệt Đối | -0,25 |
| Khoảng Cách | 377 ly |
| Chòm Sao | Ursa Major |
Vị trí
| Xích kinh | 11h 0,84m |
| Xích vĩ | 39° 12,73′ |