Table 1: New astrometric and photometric data for the T Tau system.
UT Date Sep. ( $\hbox{$^{\prime\prime}$ }$) PA ($^\circ$) $\Delta K$
T Tau Sa-Sb
1997 Oct. 12 0.051 $\pm$ 0.009 218 $\pm$ 8 3.0 $\pm$ 0.1
2004 Dec. 19 0.116 $\pm$ 0.004 294.1 $\pm$ 1.4 0.76 $\pm$ 0.12
2005 Nov. 13 0.119 $\pm$ 0.001 300.6 $\pm$ 1.0 0.52 $\pm$ 0.13
T Tau N-Sb
1997 Oct. 12 0.733 $\pm$ 0.009 181.1 $\pm$ 0.6 5.6 $\pm$ 0.2
2004 Dec. 19 0.657 $\pm$ 0.001 193.07 $\pm$ 0.17 3.25 $\pm$ 0.06
2005 Nov. 13 0.650 $\pm$ 0.001 193.81 $\pm$ 0.15 2.42 $\pm$ 0.12

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