Table 3: Results of the Time Series Analysis for the He I, C II, and Mg II lines obtained with the least squares method. The minimum detectable frequency is 0.16 and 0.11 c d^-1 in 1998 and 2000, respectively.

Line	Year	lpv	RV	CD
He I 6678	1998	1.50	1.50	2.60	3.02
		3.01		3.04	2.59
		2.64
		5.98
He I 6678	2000	1.60		1.63
He I 4713	2000	1.58	1.57	2.58	2.95
		2.58	2.94		3.61
		3.96
He I 4471	2000	1.53	1.60	2.57
		1.60		2.97
		2.95
He I 4388	2000	1.60	1.62	2.96
		2.96	0.58	2.57
			1.55
C II 4267	2000	2.57	1.59	2.59	2.95
		2.95	1.68	2.88	3.58
		5.87
Mg II 4481	2000	1.58		2.57
		2.58
		2.94