Table 1: List of the 19 objects selected from the 200 mJy sample for this study. In Col. 1 we give the identification of the objects based on their B1950 radio positions and in Col. 2 some of the names under which their counterparts are known; in Cols. 3 and 4 we give the objects' coordinates and in Col. 5 the redshift; Cols. 6-9 correspond to the contrast values² and to the radio (8.4 GHz) and optical polarization, respectively. Values in Cols. 6 and 9 were taken from Marchã et al. (1996); the data given in Cols. 7 and 8 are from Dennett-Thorpe & Marchã (2000).
ID Name $\alpha$ (J2000) $\delta$ (J2000) z $C_{\lambda}$ $C_{\nu}$ $P_{\rm r}$ (%) $P_{\rm o}$ (%)

0035+227 MG3 J003808+2303 00 38 08.1 23 03 28.4 0.097 0.44 0.57 <0.81 0.84

0055+300
NGC 315 00 57 48.9 30 21 08.8 0.017 0.50 0.56 <0.18 -

0116+319
4C 31.04 01 19 35.0 32 10 50.0 0.060 0.46 0.56 0.22 <1.15

0149+710
RX J0153.3+7115 01 53 25.8 71 15 06.5 0.023 0.32 0.46 2.67 3.31

0651+410
Zw 204-27 06 55 10.0 41 00 10.1 0.022 0.47 0.55 <0.43 0.47

0729+562
TXS 0729+562 07 33 28.6 56 05 41.7 0.107 0.43 0.61 <1.02 <1.11

0733+597
RX J0737.4+5941 07 37 30.1 59 41 03.2 0.041 0.43 0.58 <0.62 <0.70

0848+686
CGCG 332-026 08 53 18.9 68 28 19.0 0.041 0.46 0.54 2.54 0.74

0902+468
TXS 0902+468 09 06 15.5 46 36 19.0 0.085 0.48 0.54 <0.99 <1.20

1144+352
RX J1147.3+3500 11 47 22.1 35 01 07.5 0.064 0.43 0.51 0.44 <0.63

1146+596
NGC 3894 11 48 50.4 59 24 56.4 0.011 0.50 0.56 <0.31 0.36

1241+735
8C 1241+735 12 43 11.2 73 15 59.3 0.075 0.43 0.49 8.02 <0.75

1245+676
PGC 043179 12 47 33.3 67 23 16.5 0.107 0.50 0.56 <1.02 <1.31

1558+595
PGC 056566 15 59 01.7 59 24 21.8 0.060 0.56 0.57 <1.06 <0.78

1658+302
PGC 059420 17 00 45.2 30 08 12.9 0.036 0.45 0.54 <1.97 <0.80

1703+223
87GB 170321.7+221932 17 05 29.3 22 16 07.6 0.050 0.45 0.53 -   0.43

1755+626
NGC 6521 17 55 48.4 62 36 44.1 0.028 0.53 0.59 1.62 0.41

2202+363
87GB 220211.3+361757 22 04 21.1 36 32 37.1 0.075 0.48 0.55 <1.26 0.52

2320+203
RX J2323.3+2035 23 23 20.3 20 35 23.5 0.039 0.41 0.53 1.41 -

**Table 1:** List of the 19 objects selected from the 200 mJy sample for this study. In Col. 1 we give the identification of the objects based on their B1950 radio positions and in Col. 2 some of the names under which their counterparts are known; in Cols. 3 and 4 we give the objects' coordinates and in Col. 5 the redshift; Cols. 6-9 correspond to the contrast values² and to the radio (8.4 GHz) and optical polarization, respectively. Values in Cols. 6 and 9 were taken from Marchã et al. (1996); the data given in Cols. 7 and 8 are from Dennett-Thorpe & Marchã (2000).
ID	Name	$\alpha$ (J2000)	$\delta$ (J2000)	z	$C_{\lambda}$	$C_{\nu}$	$P_{\rm r}$ (%)	$P_{\rm o}$ (%)
0035+227	MG3 J003808+2303	00 38 08.1	23 03 28.4	0.097	0.44	0.57	<0.81	0.84
0055+300	NGC 315	00 57 48.9	30 21 08.8	0.017	0.50	0.56	<0.18	-
0116+319	4C 31.04	01 19 35.0	32 10 50.0	0.060	0.46	0.56	0.22	<1.15
0149+710	RX J0153.3+7115	01 53 25.8	71 15 06.5	0.023	0.32	0.46	2.67	3.31
0651+410	Zw 204-27	06 55 10.0	41 00 10.1	0.022	0.47	0.55	<0.43	0.47
0729+562	TXS 0729+562	07 33 28.6	56 05 41.7	0.107	0.43	0.61	<1.02	<1.11
0733+597	RX J0737.4+5941	07 37 30.1	59 41 03.2	0.041	0.43	0.58	<0.62	<0.70
0848+686	CGCG 332-026	08 53 18.9	68 28 19.0	0.041	0.46	0.54	2.54	0.74
0902+468	TXS 0902+468	09 06 15.5	46 36 19.0	0.085	0.48	0.54	<0.99	<1.20
1144+352	RX J1147.3+3500	11 47 22.1	35 01 07.5	0.064	0.43	0.51	0.44	<0.63
1146+596	NGC 3894	11 48 50.4	59 24 56.4	0.011	0.50	0.56	<0.31	0.36
1241+735	8C 1241+735	12 43 11.2	73 15 59.3	0.075	0.43	0.49	8.02	<0.75
1245+676	PGC 043179	12 47 33.3	67 23 16.5	0.107	0.50	0.56	<1.02	<1.31
1558+595	PGC 056566	15 59 01.7	59 24 21.8	0.060	0.56	0.57	<1.06	<0.78
1658+302	PGC 059420	17 00 45.2	30 08 12.9	0.036	0.45	0.54	<1.97	<0.80
1703+223	87GB 170321.7+221932	17 05 29.3	22 16 07.6	0.050	0.45	0.53	-	0.43
1755+626	NGC 6521	17 55 48.4	62 36 44.1	0.028	0.53	0.59	1.62	0.41
2202+363	87GB 220211.3+361757	22 04 21.1	36 32 37.1	0.075	0.48	0.55	<1.26	0.52
2320+203	RX J2323.3+2035	23 23 20.3	20 35 23.5	0.039	0.41	0.53	1.41	-

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