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Table 2

Estimates on the variability of fluxes and polarization levels.

Object Nobs Ndet  ⟨ mL ⟩  [%] σm [%] ξm [% d-1] ξm/ ⟨ mL ⟩  [d-1]  ⟨ Sν ⟩  [Jy] ξS [Jy d-1] ξS/ ⟨ Sν ⟩  [d-1] ρ

0415+379 34 17 2.3 1.5 0.09 ± 0.01 0.041 ± 0.005 7.5 0.7 0.1 0.4
0507+179 22 21 7.4 2.5 0.36 ± 0.05 0.048 ± 0.007 1.0 0.07 0.07 0.7
0528+134 32 18 3.2 1.2 0.33 ± 0.04 0.104 ± 0.014 3.5 1.1 0.3 0.3
0954+658 37 35 7.4 3.9 0.50 ± 0.02 0.067 ± 0.003 1.2 0.1 0.08 0.8
1418+546 76 52 5.0 2.0 0.28 ± 0.02 0.056 ± 0.004 0.8 0.04 0.05 1.1
1637+574 26 17 3.0 1.0 0.16 ± 0.01 0.053 ± 0.003 1.2 0.2 0.1 0.4

Notes. For each source we give the number of polarimetric observations Nobs, the number of measurements that actually detected significant polarization Ndet, the time averaged degree of linear polarization  ⟨ mL ⟩ , the standard deviation of the degree of linear polarization σm, the polarization fluctuation rate ξm, the relative polarization fluctuation rate ξm/ ⟨ mL ⟩ , the time averaged 3-mm flux density  ⟨ Sν ⟩ , the flux fluctuation rate ξS, the relative flux fluctuation ξS/ ⟨ Sν ⟩ , and the fluctuation rate ratio ρ = (ξm/ ⟨ mL ⟩ )/(ξS/ ⟨ Sν ⟩ ). For the polarization fluctuation rates we give the statistical 1σ errors. The flux fluctuation rates, and thus also ρ, are accurate to factors  ≈ 2.

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