51 UMa
51 UMa
51 UMa is a A-type (White) star located in the constellation Ursa Major. It carries the designation 51 UMa.
Located approximately 257.2 light-years from Earth, 51 UMa resides within the broader disk of our Milky Way galaxy.
51 UMa is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
51 UMa has an apparent magnitude of +6.01, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its blue-white hue, which corresponds to a B-V color index of +0.165.
Physical Properties
| Spectral Class | Class A — A-type (White) |
| Color Index (B−V) | 0.165 |
Observation
| Apparent Magnitude | +6.01 |
| Absolute Magnitude | 1.53 |
| Distance | 257 ly |
| Constellation | Ursa Major |
Position
| Right Ascension | 11h 4.52m |
| Declination | 38° 14.48′ |
Frequently Asked Questions
What type of star is 51 UMa?
51 UMa is a Class A — A-type (White) star.
How far is 51 UMa from Earth?
51 UMa is approximately 257.2 light-years from Earth.
Can you see 51 UMa with the naked eye?
With an apparent magnitude of 6.01, 51 UMa is not visible to the naked eye.
What constellation is 51 UMa in?
51 UMa is located in the constellation Ursa Major.