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.

물리적 특성

분광형 Class G — G-type (Yellow)
색지수 (B−V) 0.590

관측

겉보기 등급 +4.33
절대 등급 4.24
거리 34.0 ly
별자리 Ursa Major

위치

적경 11h 18.19m
적위 31° 31.73′

자주 묻는 질문

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.