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Alioth
Eps
Variable starIts story
Alioth is the brightest star of the Big Dipper and the first of the four that trace its bowl. Its name, derived from the Arabic «alyat», once designated the fat tail of the celestial Bear. It belongs to a rare class of magnetic variables: its surface holds patches of heavy elements that rotate with the star and gently modulate its white light, 82 light years from here.
- Constellation
- Ursa Major
- Apparent magnitude
- 1.76
- Distance
- 82.6 light years
- Coordinates (J2000)
- RA 193.507° · Dec 55.960°
- Catalogue
- HIP 62956 · HD 112185
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