Table 4: Coordinates and light curve parameters of the contact binaries (W UMa systems, EW) belonging to NGC 6791. V is the brightness at maximum and T0 is the time of the primary minimum.

Star
$\alpha_{2000}$ $\delta_{2000}$ V $\langle B-V\rangle$ $\langle V-I\rangle$ Ref. T0 Period Ampl. Notes
      [mag] [mag] [mag]   [HJD-2 452 400] [d] [mag]  
01441_8 19.339422 37.778118 19.98 1.38   k 63.073 0.24544 0.07 likely memb.
V118 19.347500 37.651222 17.68 0.75 1.01 s 59.912 0.30623 0.70 likely memb.
V5 19.346258 37.813354 17.19 0.90 0.95 k 60.221 0.31274 0.05 member (98%)
V3 19.354380 37.769349 18.51 1.05 1.06 k 59.798 0.31764 0.09 member (78%)
V4 19.348396 37.806652 17.72 1.01   k 59.591 0.32568 0.10 member (98%)
V8 19.341938 37.865810 17.81 0.79 0.88 k 59.896 0.33406 0.10 likely memb.
V117 19.343433 37.665848 17.66 0.87 0.90 k 59.987 0.36644 0.38 likely memb.
V7 19.340271 37.821892 17.63 0.93 0.86 k 59.820 0.39174 0.31 likely memb.


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