Alula Australis B
53Xi UMa
Alula Australis B is a G-type (Yellow) star located in the constellation Ursa Major. It carries the designation 53Xi UMa.
Alula Australis B lies approximately 34.0 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 33 years ago.
Alula Australis B is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.
With an apparent magnitude of +4.80, Alula Australis B 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.
Propriétés physiques
| Classe Spectrale | Class G — G-type (Yellow) |
Observation
| Magnitude Apparente | +4.80 |
| Magnitude Absolue | 4,71 |
| Distance | 34.0 ly |
| Constellation | Ursa Major |
Position
| Ascension droite | 11h 18,19m |
| Déclinaison | 31° 31,73′ |
Questions fréquentes
What type of star is Alula Australis B?
Alula Australis B is a Class G — G-type (Yellow) star.
How far is Alula Australis B from Earth?
Alula Australis B is approximately 34.0 light-years from Earth.
Can you see Alula Australis B with the naked eye?
With an apparent magnitude of 4.80, Alula Australis B is visible to the naked eye.
What constellation is Alula Australis B in?
Alula Australis B is located in the constellation Ursa Major.