Fig. 12
Folded lightcurves (left) and O−C diagrams (right) for 143 objects. On the O−C diagrams, the dotted lines represent the best linear fit to the data, and the solid lines the best quadratic fit. Note that many O−C diagrams represent non-significant period change, or were disregarded due to paucity of data: see Table 1 for significant results.
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