I am working on a story. It would be helpful if someone could provide the distance in light years between star Epsilon Eridani and star Tau Ceti.
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As answered by Wolframalpha, (as linked by chirlu) The distance between Tau Ceti and Epsilon Eridani is 5.45 light years.
Using the data from http://www.johnstonsarchive.net/astro/nearstar.html I calculated 5.462 ly. The reference list stars to 25.1 ly with x, y, z coordinates and Right ascension, Declination and distance from our sun.