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Table 7.

Median polarization degrees of radio sources at the Planck polarization-sensitive frequencies.

ν (GHz) Smin (mJy) N NPCCS2 ΠIDA D Probability
30 596 438 35 0.033 (+0.003, −0.003) 0.311 8.4 × 10−37
44 873 228 9 0.022 (+0.006, −0.011) 0.447 5.1 × 10−40
70 3749 15 4 0.028 (+0.006, −0.006) 0.618 1.0 × 10−5
100 663 224 14 0.019 (+0.005, −0.005) 0.406 9.0 × 10−33
143 525 227 15 0.029 (+0.003, −0.005) 0.348 1.5 × 10−24
217 1085 48 8 0.031 (+0.004, −0.008) 0.292 2.8 × 10−4
53 784 41 1 0.030 (+0.016, −0.020) 0.415 7.6 × 10−7

Notes. All values were corrected for the small biases discussed in Sect. 4.3.

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