BETA ARIETIS

'Beta Arietis' (β Ari / β Arietis) is a star in the constellation Aries, it is the Ram's second horn. It also has the traditional name 'Sharatan' (or 'Sheratan' or 'Sheratim'), and the Flamsteed designation '6 Arietis'.
''Al Sharatan'' means "the two signs", a reference to the star having marked the vernal equinox together with its binary partner Gamma Arietis several thousand years ago.
It has an observed visual magnitude of +2.66. Its MK spectral type is A5V (white main sequence star). It is 59.6 light years from Earth.
This star is a spectroscopic binary. The companion orbits every 107 days with an unusually large eccentricity of 0.88. Based on the estimated mass of the companion, it is likely a G-class star.

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References

★ X. P. Pan ''et al'', 1990, "Apparent orbit of the spectroscopic binary Beta ARIETIS with the time Mark III Stellar Interferometer", ''Astrophysical Journal'', vol. 356, June 20.

External links

★ Beta Arietis by Professor Jim Kaler.

★ ARICNS entry