Table 1: The estimation of precision of the Pul-3 catalogue for different declination zones.
Declination zone Internal precision External precision
    (relative to Tycho-2)
  $\epsilon_{\alpha}\cos\delta$ $\epsilon _{\delta }$ $\epsilon_{\mu_{\alpha}\cos\delta}$ $\epsilon_{\mu_{\delta}}$ $\sigma_{\alpha\cos\delta}$ $\sigma_{\delta}$ $\sigma_{\mu_{\alpha}\cos\delta}$ $\sigma_{\mu_{\delta}}$
  mas mas/yr mas mas/yr
$-5\hbox{$^\circ$ }\div5\hbox{$^\circ$ }$ 90 98 9.8 10.7 141 160 9.2 10.2

$5\hbox{$^\circ$ }\div15\hbox{$^\circ$ }$

 86 86 9.2 9.4 136 159 8.7 10.0

$15\hbox{$^\circ$ }\div25\hbox{$^\circ$ }$

 79 88 7.9 8.9 130 148 9.2 9.1

$25\hbox{$^\circ$ }\div35\hbox{$^\circ$ }$

 85 85 9.1 9.2 154 159 10.2 11.2

$35\hbox{$^\circ$ }\div45\hbox{$^\circ$ }$

 79 78 8.8 8.8 151 157 9.7 10.1

$45\hbox{$^\circ$ }\div55\hbox{$^\circ$ }$

 79 82 8.5 8.6 157 159 11.4 12.5

$55\hbox{$^\circ$ }\div65\hbox{$^\circ$ }$

 77 80 8.4 8.7 162 175 9.9 12.1

$65\hbox{$^\circ$ }\div75\hbox{$^\circ$ }$

 74 78 8.0 8.5 126 142 8.0 9.8

$75\hbox{$^\circ$ }\div85\hbox{$^\circ$ }$

 73 78 8.5 8.5 127 142 8.8 9.9
for full catalogue 80 84 8.7 9.1 142 155 9.2 10.1


Source LaTeX | All tables | In the text