Table A.3: Measured periods and variability amplitudes in Run III. The second column lists the determined periods with estimated error interval, the last column gives the amplitude of the unfiltered brightness variation in magnitudes. All results are consistent with Run I and II measurements.
2Object name Time cov. Airmass # Period Amplitude

[days] range Pts. [days]

RX J0406.8+2541 116 1.2-2.9 1748 1.70 $\pm$ 0.02 0.25

RX J0408.2+1956 122 1.2-3.3 1866 3.0109 $\pm$ 0.0002 0.53

RX J0409.3+1716 36 1.2-2.9 524 0.6 $\pm$ 0.1 0.10

GSC2.2 N3022313162 36 1.2-2.9 513 0.59075 $\pm$ 0.00020 0.56

RX J0447.9+2755 36 1.1-2.4 533 1.27 $\pm$ 0.02 0.10

RX J0452.8+1621 60 1.3-2.7 514 3.6 $\pm$ 0.1 0.16

RX J0455.8+1742 124 1.2-3.5 1078 8.1 $\pm$ 0.5 0.10

**Table A.3:** Measured periods and variability amplitudes in Run III. The second column lists the determined periods with estimated error interval, the last column gives the amplitude of the unfiltered brightness variation in magnitudes. All results are consistent with Run I and II measurements.
2Object name	Time cov.	Airmass	#	Period	Amplitude
	[days]	range	Pts.	[days]
RX J0406.8+2541	116	1.2-2.9	1748	1.70 $\pm$ 0.02	0.25
RX J0408.2+1956	122	1.2-3.3	1866	3.0109 $\pm$ 0.0002	0.53
RX J0409.3+1716	36	1.2-2.9	524	0.6 $\pm$ 0.1	0.10
GSC2.2 N3022313162	36	1.2-2.9	513	0.59075 $\pm$ 0.00020	0.56
RX J0447.9+2755	36	1.1-2.4	533	1.27 $\pm$ 0.02	0.10
RX J0452.8+1621	60	1.3-2.7	514	3.6 $\pm$ 0.1	0.16
RX J0455.8+1742	124	1.2-3.5	1078	8.1 $\pm$ 0.5	0.10

Source LaTeX | All tables | In the text