Eta Aurigae - Etymology

Etymology

Along with ζ Aurigae it represents one of the Kids of the she-goat Capella, from which it gets its Latin traditional name Hoedus II or Haedus II, from the Latin hædus "kid"; Zeta Aurigae is Hoedus I. It has the less common traditional name Mahasim, from the Arabic المِعْصَم al-micşam "wrist" (of the charioteer), which it shares with Theta Aurigae. Since 1943, the spectrum of this star has served as one of the stable anchor points by which other stars are classified. It has an apparent visual magnitude of 3.18 and is located at a distance of around 243 light-years (75 parsecs) from Earth.

In Chinese, 柱 (Zhù), meaning Pillars, refers to an asterism consisting of η Aurigae, ε Aurigae, ζ Aurigae, υ Aurigae, ν Aurigae, τ Aurigae, χ Aurigae and 26 Aurigae. Consequently, η Aurigae itself is known as 柱三 (Zhǔ sān, English: the Third Star of Pillars.)

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