Alioth (Epsilon Ursae Majoris)
The brightest star in the constellation Ursa Major and the third star from the end of the Big Dipper's handle; its proper name comes from a corruption of the Arabic for "black horse." ...
[8315] epsilon Ursae Majoris or Alioth ("tail") is the brightest star in Ursa Major and the 31st brightest star in the sky. It has an apparent visual magnitude of 1.76 and is approximately 81 light-years distant.
For example, Epsilon Ursae Majoris is listed as spectral type A0pCr, indicating general classification A0 with an unspecified peculiarity and strong emission lines of the element chromium.
Alioth Epsilon Ursae Majoris
Alkaid Eta Ursae Majoris
Al Kurud Theta Columbae
Al Kalb al Rai Rho-2 Cephei
Alkalurops Mu Bootis
Al Kaphrah Chi Ursae Majoris
Alkes Alpha Crateris
Alkurah Xi Cephei
Almach Gamma Andromedae
Al Minliar al Asad Kappa Leonis ...
* Epsilon Ursae Majoris (Alioth) (HD 112185)
* 78 Ursae Majoris A (HD 113139A)
* Gliese 503.2 (HD 115043)
* Zeta Ursae Majoris (Mizar) A (HD 116656)
* Zeta Ursae Majoris (Mizar) B (HD 116657)
* 80 Ursae Majoris (Alcor) (HD 116842)
Stream stars ...
Alioth = Epsilon Ursae Majoris
Mizar = Zeta Ursae Majoris
Alkaid = Eta Ursae Majoris
Theta UMa = Theta Ursae Majoris
Talitha = Iota Ursae Majoris
Kappa UMa = Kappa Ursae Majoris
Tania Borealis = Lambda Ursae Majoris ...
Epsilon Ursae Majoris shows a strong chromium line. R Ursae Majoris is a Mira-type variable with period of 301.62 days, and a magnitude change from 6.5 to 13.7.
This is the same origin as the name Alioth which is applied to the next star along the tail, Epsilon Ursae Majoris.
 See also: Epsilon, Constellation, Star, Delta, Sun
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