Sagittarii zeta

Zeta Sagittarii (ζ Sgr/ζ Sagittarii) is the third the most brilliant star of the Constellation of the Sagittarius. It also bears the traditional name Ascella of the word Low Latin meaning armpit .

Ascella is a binary star, composed of a Géante of spectral Type A2 and Magnitude connects +3,26, and of a Under-giantess of a4 type and magnitude +3,37 connect. The orbital Period of the binary system is 21 years. The two stars have an average separation of 13,4 UA and the eccentricity of their orbit is of 0,205. Ascella has a weak partner 10th magnitude, Zeta Sagittarii C , separated from the primary education of 75 Arcseconde S.

Ascella is to 90 light-years of the Ground. The Magnitude connects combined star system is of +2,60.

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University of Iowa | Seikû Araï (Kenshin the vagrant) | Alfredo Poviña | Arpeggio (label) | Ken Houston | Concessions_de_terre_dans_la_colonie_de_fleuve_de_cygne

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