Alula Borealis
54Nu UMa
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Alula Borealis is a K-type (Orange) star located in the constellation Ursa Major. It carries the designation 54Nu UMa.
Located approximately 399.2 light-years from Earth, Alula Borealis resides within the broader disk of our Milky Way galaxy.
Alula Borealis is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
At an apparent magnitude of +3.49, Alula Borealis 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 red hue, which corresponds to a B-V color index of +1.400.
Physikalische Eigenschaften
| Spektralklasse | K Class K — K-type (Orange) |
| Farbindex (B−V) | 1,400 |
Beobachtung
| Scheinbare Helligkeit | +3.49 |
| Absolute Helligkeit | -1,95 |
| Entfernung | 399 ly |
| Sternbild | Ursa Major |
Position
| Rektaszension | 11h 18,48m |
| Deklination | 33° 5,66′ |