Table 3: Proper motion solutions.
Positions used in solution     $\mu_{\alpha}\cos{\delta}$        $\mu_{\delta}$
  [mas/yr]
13 (all available) $-1083.9\pm11.6 $ $-119.0\pm 11.3$
12 (excl. epoch 1977) $-1069.8\pm 7.8$ $-133.8\pm 6.3 $
11 (excl. 1977, 1986) $-1069.5\pm 8.4$ $-130.9\pm 3.9 $
10 (excl. 1977, 1986, 1991) $-1069.4\pm 8.5$ $-130.7\pm 2.5 $
 9 (excl. 3 SSS and DENIS)$^{\char93 }$ $-1076.6\pm 5.1 $ $-130.7\pm2.9$
$\textstyle \parbox{8.5cm}{ Note: $^{\char93 }$\space -- finally adopted proper motion solution.}$


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