**Table 4:** Two-spot solutions for the annual *BVI* light curves.
Year	$\ell_{\rm N}$	$b_{\rm N}$	$r_{\rm N}$	$A_{\rm N}$	$\ell_{\rm S}$	$b_{\rm S}$	$r_{\rm S}$	$A_{\rm S}$	$T_{\rm spot}$
1988.87	461.73	-46.51	44.07	14.07	606.43	87.81	59.41	24.56	...
1989.88	468.21	-66.34	55.90	21.96	597.52	88.22	61.04	25.79	...
1990.95	326.78	-59.98	52.51	19.57	471.06	67.79	59.89	24.92	...
1992.87	394.80	-59.45	73.74	36.00	624.22	27.68	23.68	4.21	...
1993.91	397.53	-55.56	68.74	31.87	667.14	37.77	23.35	4.09	...
1994.95	374.49	-41.20	51.30	18.73	507.17	81.77	60.07	25.05	...
1995.88	357.52	-39.90	49.22	17.34	495.76	81.69	65.06	28.91	...
1996.97	344.75	-48.51	63.42	27.63	571.55	73.62	55.90	21.97	...
1997.49	349.07	-51.62	57.91	23.44	572.45	76.36	59.17	24.37	...
1997.93	327.28	-50.24	55.26	21.51	487.61	72.02	61.29	25.98	3905
1998.81	281.78	-67.14	53.28	20.10	446.18	78.55	59.82	24.86	3621
1999.88	216.45	-57.36	55.44	21.63	359.67	84.89	50.50	18.19	3562
2000.92	181.45	-52.35	40.46	11.95	383.74	75.26	55.89	21.96	...
2001.90	144.98	-66.31	48.27	16.71	316.37	73.70	51.75	19.04	3700
2002.89	152.25	-51.86	31.27	7.26	281.15	72.22	62.99	27.29	3478
2003.85	171.40	-66.72	48.04	16.57	254.50	76.60	58.11	23.58	3769
2004.86	151.80	-56.38	51.20	18.67	281.85	83.96	50.71	18.33	...
2005.87	140.83	-70.25	71.49	34.12	206.94	83.39	37.91	10.55	3899
2006.91	259.85	-85.79	67.88	31.17	266.99	87.82	40.09	11.75	...

Note: index N indicates the north polar cap, S the south polar cap. Longitude, $\ell_{\rm N/S}$ , is counted from 0 (a time of maximum positive radial velocity of the primary according to Table 2) to 360 $^\circ$ in the same direction as the orbital motion. Latitude, $b_{\rm N/S}$ , is counted from 0 = equator to $\pm$ $90^\circ$ = poles; radius, $r_{\rm N/S}$ , in degrees (circular spots); fractional area, $A_{\rm N/S}$ , in per cent of the entire stellar surface and the spot temperature ( $T_{\rm spot}$ ) in Kelvin (for light-curves with good VI data; note that the photospheric temperature is 4500 K). Individual spot temperatures are assumed to be identical.

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