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J20000
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Taurus
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04<sup>h</sup> 28<sup>m</sup> 370<sup>s</sup>
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+19° 10' 49"
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K0III
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+353
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155 ± 6
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48 ± 2
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(ε Tau / ε Tauri) is a
Star in the
Constellation Taurus and a member of the
Hyades Open Cluster . It has the traditional names '''Ain''', or '''Oculus Borealus''', both of which mean "eye".
ε Tau belongs to the
Spectral Class K0 and has
Apparent Magnitude +3.6. It is 155
Light Year s away from the
Sun , has a
Luminosity of 90 times that of the Sun and a radius of 13 times solar. The surface temperature of this star is measured at 4925
Kelvin s. It has an 11th magnitude companion 182
Arcsecond s from the primary.
Since ε Tau lies near the plane of the
Ecliptic , it is sometimes
Occulted by the
Moon and (very rarely) by
Planet s.
