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Table 5

68.27 and 99.73% upper limits on the degree of linear polarization of the companions (Pcom ), as well as the measured degree and angle of linear polarization of the central star (Pstar and χstar ), for the targets for which we do not detect significant polarization.

Target Filter Pstar (%) 68.27% upper 99.73% upper
limit on Pcom (%) limit on Pcom (%)
HR 8799 b BB_H 0.057 ± 0.006 126 ± 3 0.6 1.2
           
HR 8799 c BB_H 0.057 ± 0.006 126 ± 3 0.5 1.1
           
HR 8799 d BB_H 0.057 ± 0.006 126 ± 3 0.5 1.2
           
HR 8799 e BB_H 0.057 ± 0.006 126 ± 3 0.6 1.3
           
PZ Tel B BB_H 0.05 ± 0.03 17 ± 24 0.06 0.1
           
PZ Tel B BB_J 0.13 ± 0.01 159 ± 2 0.1 0.2
           
HR 7672 B BB_H 0.104 ± 0.007 138 ± 2 0.2 0.3
           
GSC 8047 B BB_H 0.04 ± 0.02 160 ± 39 0.2 0.3
           
HD 19467 B BB_H 0.054 ± 0.005 7 ± 3 0.4 1.0
           
GQ Lup B BB_H 0.94 ± 0.02 83 ± 1 0.2 0.3
           
HD 206893 B BB_Ks 0.15 ± 0.06 107 ± 15 0.8 1.7
           
HD 4747 B BB_Ks 0.11 ± 0.02 71 ± 7 0.3 0.6
           
CD-35 2722 B BB_H 0.15 ± 0.03 66 ± 6 0.1 0.3
           
AB Pic b BB_H 0.05 ± 0.01 6 ± 8 0.07 0.2
           
HD 106906 b BB_H 0.097 ± 0.008 68 ± 2 0.2 0.3
           
PDS 70 b BB_Ks 1.1 ± 0.1 62 ± 3 5.0 12
           
PDS 70 b BB_H 0.97 ± 0.02 65 ± 1 9.2 22
           
1RXS J1609 B BB_H 0.21 ± 0.01 97 ± 2 0.2 0.5
           
β Pic b BB_H 0.075 ± 0.008 163 ± 4 0.2 0.4
           
TYC 8998 b BB_H 0.12 ± 0.09 0 ± 4 0.3 0.6

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