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Fig. 8

IBIS/SPI flux correlation in 17, 2245, and 122 “time bins” for GX 339-4, 4U 1700-377, and GX 1+4. The red line is a straight-line fitting (with errors in both directions) with a chi-square of 25 (15 d.o.f.), 3961 (2243 d.o.f.), and 321 (120 d.o.f.).
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