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Yed Posterior (Epsilon Ophiuchi) (Apr 25, 2004)
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Type: |
Giant star (Class G9.5)
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Brightness: |
3.24 mag
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Distance: |
108 ly
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Colour: |
white
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Luminosity (Sun = 1): |
61 x
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Mass (Sun = 1): |
3 x
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Temperature: |
4,700 degrees approx.
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Diameter: |
22 solar radii
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Notes: | |
Yed Posterior has a fainter companion two arc seconds away. |
Celestron Newton 200/1000, Nikon Coolpix 4500
You can take a look at the real relations
between the sizes of selected stars by clicking here.