Alula Australis

53Xi UMa

Alula Australis is a G-type (Yellow) star located in the constellation Ursa Major. It carries the designation 53Xi UMa.

Alula Australis 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 is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.

With an apparent magnitude of +4.33, Alula Australis 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 white hue, which corresponds to a B-V color index of +0.590.

Физические свойства

Спектральный класс Class G — G-type (Yellow)
Показатель цвета (B−V) 0,590

Наблюдение

Видимая звёздная величина +4.33
Абсолютная звёздная величина 4,24
Расстояние 34.0 ly
Созвездие Ursa Major

Положение

Прямое восхождение 11h 18,19m
Склонение 31° 31,73′

Часто задаваемые вопросы

What type of star is Alula Australis?
Alula Australis is a Class G — G-type (Yellow) star.
How far is Alula Australis from Earth?
Alula Australis is approximately 34.0 light-years from Earth.
Can you see Alula Australis with the naked eye?
With an apparent magnitude of 4.33, Alula Australis is visible to the naked eye.
What constellation is Alula Australis in?
Alula Australis is located in the constellation Ursa Major.