1. INTRODUCTION  
2. SAMPLE AND OBSERVATIONS  
3. ASTROMETRY FITTING  
3.1. Single Stars  
3.2. Binaries  
3.3. Solving the System of Equations  
4. RESULTS  
5. DISCUSSION  
5.1. Comparison with Gaia-DR1  
5.2. Distance and Spatial Velocity of Taurus Stars  
6. CONCLUSIONS