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Capella Ab (Alpha Aurigae Ab) Star Facts

Capella Ab Facts

Capella Ab's Alternative Names

(Alpha Aurigae Ab) is the Bayer Classification for the star. The Bayer Classification was created by Johann Bayer in the early nineteenth century. The brightest star in the constellation is normally given the Alpha designation although there are exceptions such as Pollux which is Beta Geminorum.

More details on objects' alternative names can be found at Star Names .

Physical Properties (Colour, Radius) of Capella Ab

Capella Ab has a spectral type of G1III. This means the star is a white to yellow giant star.

Capella Ab has been calculated as 8.80 times bigger than the Sun.The Sun's radius is 695,800km, therefore the star's radius is an estimated 6,123,040.00.km. If you need the diameter of the star, you just need to multiple the radius by 2.

Capella Ab Apparent and Absolute Magnitudes

Capella Ab has an apparent magnitude of 0.08 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

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Additional Capella Ab Facts and Figures

Visual Facts

Primary / Proper / Traditional NameCapella Ab
Alternative NamesAlpha Aurigae Ab
Spectral TypeG1III
Constellation's Main StarNo
Multiple Star SystemYes
Star TypeGiant Star
ColourWhite to Yellow
GalaxyMilky Way
Visual / Apparent Magnitude0.08
Naked Eye VisibleYes - Magnitudes
Right Ascension (R.A.)05h 16m 41.30
Associated / Clustered StarsCapella

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Estimated Calculated Facts

Radius (x the Sun)8.80

Related Stars

Comments and Questions

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