Columns: 

(1) star ID  (starting with 1 and 2 for fields F1 and F2, respectively); 
(2) \& (3) equatorial coordinates $(\alpha,\delta)_{2000.0}$ for epochs 1997.41 and 1999.46 for F1 and F2, respectively; 
(4) \& (5) XY pixel coordinates on reference frames; 
(6)--(9) PMs and their errors; 
(10) number of epochs used;
(11) temporal baseline; \
(12) cluster membership (for explanation see Sec. 3.4);
(13) V magnitude.