Aurigae theta
Theta Aurigae (θ Aur/θ Aurigae) is a star doubles Constellation Cocher. It is with approximately 173 light-years of the Ground. The traditional names (seldom used) of this star include the Arab name Maha-Sim or Mahasim , which is an alternative of the Arab name Al-Mi' Sam meaning " poignet" and which is used at the same time for Eta Aurigae and Theta Aurigae.
The primary elections, θ Aurigae have , are a white dwarf of the principal sequence of standard has having a magnitude connect of +2,7. His/her partner, θ Aurigae B , is dwarf a yellow of the principal sequence of standard G having a magnitude connect of +7,2. The two stars are distant of 3,5 Arcseconde S. a third star, θ Aurigae C 11th magnitude, are distant of 49 Arcseconde S, and are a optical partner.
The average combined apparent magnitude of the system is of +2,65 but the primary elections being a variable star of standard Alpha2 Canum Venaticorum, the luminosity of the system vary between magnitudes +2,62 and +2,70 with one 1,37 days period.
It is called 五車四 (the fourth star of the five carriages) in Chinese.
External bond
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