Table 1: Journal of the spectroscopic observations. The columns display the Heliocentric Julian Day, the exposure time (min), the length of the observation (d), the number of spectra and the spectral line used for the radial velocities measurements.

2 400 000+	exposure	length	spectra	line
48 538.4071	8.0-15.0	0.08	9	SiIII 4567 Å
48 539.5095	15.0	0.15	11	SiIII 4567 Å
48 851.5500	1.0	0.16	103	SiIII 4567 Å
48 854.7287	2.5-3.3	0.18	55	SiIII 4567 Å
48 857.5272	2.0-8.3	0.22	57	SiIII 4567 Å
48 884.5563	3.0-6.0	0.23	56	SiIII 4567 Å
48 887.4727	3.3-10.0	0.11	5	SiIII 4567 Å
49 201.5383	1.7-10.0	0.16	40	SiIII 4567 Å
49 202.5371	0.8-10.0	0.17	45	SiIII 4828 Å
49 203.5476	1.2-7.5	0.17	73	SII 5320 Å
49 204.5271	2.8-10.0	0.17	19	SiIII 4567 Å
49 205.5616	1.7-10.0	0.14	29	SiIII 4828 Å
49 206.5616	1.7-10.0	0.15	34	SiIII 4828 Å
49 207.5367	2.0-6.7	0.18	44	SII 5453 Å
49 208.5383	3.2-10.0	0.19	32	SiIII 4567 Å
49 969.4953	4.5-10.8	0.32	59	SiIII 4567 Å
49 970.4938	3.3-8.0	0.32	64	SiIII 4567 Å
49 974.5765	9.0-15.0	0.33	16	SiIII 4567 Å
49 975.5270	3.8-15.0	0.25	40	SiIII 4567 Å
49 976.5134	3.7-7.2	0.25	56	SiIII 4567 Å
49 977.5239	3.3-8.3	0.27	47	SiIII 4567 Å
49 978.5221	3.3-11.7	0.25	50	SiIII 4567 Å
49 981.4696	5.4-11.7	0.29	56	SiIII 4567 Å
53 418.2773	5.0-6.0	0.05	12	SiIII 4567 Å
53 536.5505	1.7	0.08	66	SiIII 4567 Å