Nearby stars-why do they start at 4LY?

From: John C. Polasek <jpolasek@xxxxxxxxxx>
Date: Sun, 20 Jul 2008 17:00:05 -0400

Wiki et al show tables of the first 20 or 50 starsnearest the earth.
The distances for the first few are
... .. .. 4.3 6.0 7.7 8.4 8.6 9.4 10.4 LY
1.7 1.7 .7 .2 1.2 1 the differences
Why are there no stars from 0 to 4.3 LY? From the difference list
there should be at least 2 closer than 4.3.
These are probably the few that can be measured using the parallactic
effect. It just doesn't seem likely that such a void exists.
John Polasek
.

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