Table 2: Summary of possible periodicities.
Object Periodicity (min) Remarks

DM Gem 177.1, 22.6 Strong He II $\lambda$ 4686. Magnetic?

CP Lac 182.9 Shallow eclipses? SW Sex?

GI Mon 259.2

V400 Per 219 or 258

CT Ser 233.3

XX Tau 7200, 195.8, 23.7 Disc precession?

**Table 2:** Summary of possible periodicities.
Object	Periodicity (min)	Remarks
DM Gem	177.1, 22.6	Strong He II $\lambda$ 4686. Magnetic?
CP Lac	182.9	Shallow eclipses? SW Sex?
GI Mon	259.2
V400 Per	219 or 258
CT Ser	233.3
XX Tau	7200, 195.8, 23.7	Disc precession?

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Results
	4 Conclusions
	References