23 UMa

23 UMa

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23 UMa is a F-type (Yellow-White) star located in the constellation Ursa Major. It carries the designation 23 UMa.

Located approximately 77.7 light-years from Earth, 23 UMa resides within the broader disk of our Milky Way galaxy.

23 UMa is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

At an apparent magnitude of +3.65, 23 UMa 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 white hue, which corresponds to a B-V color index of +0.360.

Physical Properties

Spectral Class F Class F — F-type (Yellow-White)
Color Index (B−V) 0.360

Observation

Apparent Magnitude +3.65
Absolute Magnitude 1.77
Distance 77.7 ly
Constellation Ursa Major

Position

Right Ascension 9h 31.53m
Declination 63° 3.71′

Frequently Asked Questions

What type of star is 23 UMa?
23 UMa is a Class F — F-type (Yellow-White) star.
How far is 23 UMa from Earth?
23 UMa is approximately 77.7 light-years from Earth.
Can you see 23 UMa with the naked eye?
With an apparent magnitude of 3.65, 23 UMa is visible to the naked eye.
What constellation is 23 UMa in?
23 UMa is located in the constellation Ursa Major.