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Table 2

The light elements used in this study for each system.

System (HJD+2 400 000) Period (days) Ref.

QX And 55 101.4475(19) 0.4121716(9) This study
RW Com 54 272.8826(6) 0.2373463 (1) This study
MR Del 55 042.5055(7) 0.5216903(1) This study
BD +07° 3142 54 688.3631(12) 0.275205(1) This study

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