Properties and nature of Be stars - 26. Long-term and orbital changes of ζ Tauri

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Table 3:

Trial solutions for the H I shell RVs, He I RVs and a combination of H $\alpha$ emission-wing RVs with He I RVs measured via cross-correlation in Jarad (1987).
Element	Sol. 3	Sol. 4	Sol. 5
P (d)	132.920	133.000	132.901
	$\pm$ 0.013	$\pm$ 0.034	$\pm$ 0.044
$T_{\rm RV~max.}$	47016.4 $\pm$ 3.6	47027.2 $\pm$ 3.5	47027.9 $\pm$ 1.3
K (km s^-1)	9.74 $\pm$ 0.41	7.6 $\pm$ 1.2	8.29 $\pm$ 0.61
rms (km s^-1)	8.09	16.25	4.44
No. of RVs	801	509	178

Solution 3 for the H I shell RVs was formally calculated as an eccentric orbit solution with e=0.25 and $\omega = 305^\circ$ , the remaining two solutions are derived for a circular orbit.

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