25The UMa

25The UMa

25The UMa is a F-type (Yellow-White) star located in the constellation Ursa Major. It carries the designation 25The UMa.

25The UMa lies approximately 44.0 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 43 years ago.

25The UMa is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

At an apparent magnitude of +3.17, 25The 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 +0.475.

Physical Properties

Spectral Class Class F — F-type (Yellow-White)
Color Index (B−V) 0.475

Observation

Apparent Magnitude +3.17
Absolute Magnitude 2.52
Distance 44.0 ly
Constellation Ursa Major

Position

Right Ascension 9h 32.86m
Declination 51° 40.64′

Frequently Asked Questions

What type of star is 25The UMa?
25The UMa is a Class F — F-type (Yellow-White) star.
How far is 25The UMa from Earth?
25The UMa is approximately 44.0 light-years from Earth.
Can you see 25The UMa with the naked eye?
With an apparent magnitude of 3.17, 25The UMa is visible to the naked eye.
What constellation is 25The UMa in?
25The UMa is located in the constellation Ursa Major.