Alkaid

85Eta UMa

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Alkaid is a B-type (Blue-White) star located in the constellation Ursa Major. It carries the designation 85Eta UMa.

Located approximately 103.9 light-years from Earth, Alkaid resides within the broader disk of our Milky Way galaxy.

Alkaid is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

Alkaid has an apparent magnitude of +1.85, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its blue hue, which corresponds to a B-V color index of -0.099.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.099

Observation

Apparent Magnitude +1.85
Absolute Magnitude -0.67
Distance 104 ly
Constellation Ursa Major

Position

Right Ascension 13h 47.54m
Declination 49° 18.80′

Frequently Asked Questions

What type of star is Alkaid?
Alkaid is a Class B — B-type (Blue-White) star.
How far is Alkaid from Earth?
Alkaid is approximately 103.9 light-years from Earth.
Can you see Alkaid with the naked eye?
With an apparent magnitude of 1.85, Alkaid is visible to the naked eye.
What constellation is Alkaid in?
Alkaid is located in the constellation Ursa Major.