Table 2: Radial velocities plus photometry of the program stars.ID is identification according to Carraro et al. (2005a,b) numbering. The last column indicates whether a star is considered member (M) or not (NM) according to the analysis in Sect. 5.
Cluster ID $\alpha (2000.0)$ $\delta(2000.0)$ B V I $RV_{\rm H}$ n Membership

hh:mm:s o: $\hbox{$^\prime$ }$ : $\hbox{$^{\prime\prime}$ }$ [km s^-1]

Berkeley 75 9 06:49:07.09 -23:59:44.94 15.78 14.89 13.71 $73.10\pm0.50$ 2 NM

22 06:48:55.85 -24:00:07.16 17.08 16.13 14.99 $94.60\pm0.35$ 2 M

Berkeley 25 10 06:41:20.40 -16:28:23.63 17.45 16.13 14.56 $134.10\pm0.20$ 2 NM

12 06:41:16.60 -16:28:16.13 17.59 16.32 14.78 $135.60\pm0.20$ 2 M

13 06:41:13.63 -16:29:17.27 17.36 16.33 14.97 $133.30\pm0.20$ 2 M

21 06:41:08.37 -16:29:20.13 17.59 16.50 15.08 $134.00\pm0.50$ 2 M

23 06:41:16.76 -16:29:21.34 17.91 16.72 15.27 $131.70\pm0.50$ 2 M

Ruprecht 7 2 06:57:50.14 -13:13:39.93 15.47 14.07 12.71 $77.12\pm0.20$ 3 M

4 06:57:43.08 -13:12:17.41 16.02 14.58 12.71 $77.10\pm0.25$ 3 M

5 06:57:54.56 -13:13:59.18 16.17 14.78 12.95 $77.12\pm0.20$ 3 M

6 06:57:53.66 -13:12:57.83 16.24 14.79 12.91 $77.61\pm0.30$ 3 M

7 06:57:52.85 -13:12:55.08 16.41 15.07 12.25 $74.26\pm0.90$ 3 M

Ruprecht 4 3 06:48:51.69 -10:30:20.49 15.46 14.24 12.69 $48.40\pm1.00$ 1 M

4 06:49:00.80 -10:31:57.81 15.60 14.30 12.68 $45.85\pm0.55$ 2 M

8 06:48:55.37 -10:31:32.39 15.94 14.77 13.26 $48.40\pm1.00$ 1 M

18 06:48:54.51 -10:33:21.32 16.62 15.44 13.90 $62.20\pm1.00$ 1 NM

29 06:48:57.87 -10:30:27.09 17.29 15.95 14.25 $62.20\pm1.00$ 1 NM

Berkeley 73 12 06:21:54.89 -06:17:51.91 16.30 15:30 13.93 $89.10\pm0.20$ 2 NM

13 06:21:55.36 -06:20:10.04 16.10 15.36 14.30 $75.35\pm0.25$ 2 NM

15 06:22:10.44 -06:19:30.19 16.51 15.57 14.30 $73.30\pm0.30$ 2 NM

16 06:22:01.13 -06:19:17.14 16.86 15.84 14.48 $95.30\pm0.20$ 2 M

18 06:22:01.99 -06:19:21.89 17.10 15.99 14.58 $96.10\pm0.20$ 2 M

19 06:21:57.24 -06:17:15.55 16.74 16.03 14.95 $92.85\pm0.25$ 2 NM

**Table 2:** Radial velocities plus photometry of the program stars.ID is identification according to Carraro et al. (2005a,b) numbering. The last column indicates whether a star is considered member (M) or not (NM) according to the analysis in Sect. 5.
Cluster	ID	$\alpha (2000.0)$	$\delta(2000.0)$	B	V	I	$RV_{\rm H}$	n	Membership
		hh:mm:s	o: $\hbox{$^\prime$ }$ : $\hbox{$^{\prime\prime}$ }$				[km s^-1]
Berkeley 75	9	06:49:07.09	-23:59:44.94	15.78	14.89	13.71	$73.10\pm0.50$	2	NM
	22	06:48:55.85	-24:00:07.16	17.08	16.13	14.99	$94.60\pm0.35$	2	M
Berkeley 25	10	06:41:20.40	-16:28:23.63	17.45	16.13	14.56	$134.10\pm0.20$	2	NM
	12	06:41:16.60	-16:28:16.13	17.59	16.32	14.78	$135.60\pm0.20$	2	M
	13	06:41:13.63	-16:29:17.27	17.36	16.33	14.97	$133.30\pm0.20$	2	M
	21	06:41:08.37	-16:29:20.13	17.59	16.50	15.08	$134.00\pm0.50$	2	M
	23	06:41:16.76	-16:29:21.34	17.91	16.72	15.27	$131.70\pm0.50$	2	M
Ruprecht 7	2	06:57:50.14	-13:13:39.93	15.47	14.07	12.71	$77.12\pm0.20$	3	M
	4	06:57:43.08	-13:12:17.41	16.02	14.58	12.71	$77.10\pm0.25$	3	M
	5	06:57:54.56	-13:13:59.18	16.17	14.78	12.95	$77.12\pm0.20$	3	M
	6	06:57:53.66	-13:12:57.83	16.24	14.79	12.91	$77.61\pm0.30$	3	M
	7	06:57:52.85	-13:12:55.08	16.41	15.07	12.25	$74.26\pm0.90$	3	M
Ruprecht 4	3	06:48:51.69	-10:30:20.49	15.46	14.24	12.69	$48.40\pm1.00$	1	M
	4	06:49:00.80	-10:31:57.81	15.60	14.30	12.68	$45.85\pm0.55$	2	M
	8	06:48:55.37	-10:31:32.39	15.94	14.77	13.26	$48.40\pm1.00$	1	M
	18	06:48:54.51	-10:33:21.32	16.62	15.44	13.90	$62.20\pm1.00$	1	NM
	29	06:48:57.87	-10:30:27.09	17.29	15.95	14.25	$62.20\pm1.00$	1	NM
Berkeley 73	12	06:21:54.89	-06:17:51.91	16.30	15:30	13.93	$89.10\pm0.20$	2	NM
	13	06:21:55.36	-06:20:10.04	16.10	15.36	14.30	$75.35\pm0.25$	2	NM
	15	06:22:10.44	-06:19:30.19	16.51	15.57	14.30	$73.30\pm0.30$	2	NM
	16	06:22:01.13	-06:19:17.14	16.86	15.84	14.48	$95.30\pm0.20$	2	M
	18	06:22:01.99	-06:19:21.89	17.10	15.99	14.58	$96.10\pm0.20$	2	M
	19	06:21:57.24	-06:17:15.55	16.74	16.03	14.95	$92.85\pm0.25$	2	NM

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