Table 5: Several weak-contact binaries with secular period increasing.

StarSpectralPeriodqfRef.
type(day))(%)

44i BooK2V0.267820.487
CW CasG8V0.318860.448
BE Cep0.424390.427(4)
DD Com0.269210.271(5)
AD CncK0V0.282740.770(6)
XY LeoK2V0.284100.610(7)
MT CasF8V0.31388(8)

Note. aThe mass ratio is flipping, i.e., 1/2.365.
References: [44]; [45]; [46]; (4) [47]; (5) [48]; (6) [49]; (7) [50]; (8) present paper.