Capella companion positions relative to the predicted orbit. Top: measured positions at different epochs: red for October 2011, blue for July 2012, and green for December 2012. Expected companion positions are marked as black dots and measurement points with error bars. Bottom: difference between the estimated and expected values of the projection of the binary separation along the right ascension and declination axes. Each point corresponds to one observation date arranged in chronological order: 2011 October 16, 17 and 19, 2012 July 29 and 2012 December 19 and 20.
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