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Table 1

Numbers of points corresponding to the three different selections illustrated in Fig. 1 for the four Wide fields, and fractions of “gained” and “lost” points due to the change in selection criterium.

Field Wide 1 Wide 2 Wide 3 Wide 4

Surface (deg2) 65.25 22.28 45.54 20.88

B = Black 5 346 671 2 100 453 3 858 738 2 040 682
RM = Red+magenta 2 105 404 945 090 1 517 133 977 875
M = Magenta 98 954 42 529 77 374 36 181
G = Green 397 921 135 148 274 601 145 703

M/RM 0.047 0.045 0.051 0.037
G/RM 0.189 0.143 0.181 0.149

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