Table 2
Optical polarization characteristics of 3C 279 for different periods.
| Period | JD − 2 450 000 | ⟨ml⟩ | σ(ml) | Δχ/ Δt | s | s debiased | s bias | N cons | |
| [ °/ d ] | [ °/ d ] | [ °/ d ] | [ °/ d ] | ||||||
|
|
|||||||||
| tot | 0.123 ± 0.003 | 0.083 ± 0.002 | 7.2 | 6.4 ± 0.4 | 3.2 ± 0.4 | 1 | (2) | ||
| I | 4790–5100 | 0.184 ± 0.007 | 0.100 ± 0.003 | 6.1 | 5.0 ± 1.3 | 3.6 ± 1.3 | 101 | (138) | |
| II | 5100–5500 | 0.089 ± 0.007 | 0.077 ± 0.005 | 13.9 | 13.4 ± 1.2 | 3.6 ± 1.2 | 1 | (2) | |
| III | 5500–5800 | 0.132 ± 0.004 | 0.058 ± 0.002 | 5.7 | 5.1 ± 0.5 | 2.5 ± 0.5 | 2 | (6) | |
| IV | 5800–6120 | 0.080 ± 0.003 | 0.046 ± 0.001 | 5.5 | 4.2 ± 0.9 | 3.5 ± 0.9 | 22 | (24) | |
|
|
|||||||||
| IIa | 5100–5310 | 0.050 ± 0.003 | 0.030 ± 0.003 | − 494 / 154 | 17.8 | 17.4 ± 1.2 | 3.6 ± 1.2 | 1 | (2) |
| IIb | 5310–5500 | 0.164 ± 0.013 | 0.084 ± 0.004 | 62 / 47 | 6.2 | 5.0 ± 1.2 | 3.6 ± 1.2 | ∞ | |
| IIIa | 5500–5650 | 0.139 ± 0.006 | 0.056 ± 0.003 | 86 / 93 | 4.8 | 4.0 ± 0.5 | 2.5 ± 0.5 | ∞ | (77) |
| IIIb | 5650–5658 | 0.060 ± 0.011 | 0.029 ± 0.008 | − 110 / 7 | 26.0 | 25.9 ± 0.5 | 2.5 ± 0.5 | 3 | (8) |
| IIIc | 5658–5850 | 0.131 ± 0.006 | 0.057 ± 0.003 | 352 / 98 | 4.8 | 4.0 ± 0.5 | 2.5 ± 0.5 | 2 | (6) |
| IVa | 5850–5995 | 0.104 ± 0.004 | 0.034 ± 0.002 | 109 / 69 | 2.1 | ≈ 0 | 3.5 ± 0.9 | 50 | (64) |
| IVb | 5995–6032 | 0.045 ± 0.005 | 0.028 ± 0.004 | 131 / 28 | 7.1 | 6.2 ± 0.9 | 3.5 ± 0.9 | 23 | (30) |
| IVc | 6032–6120 | 0.073 ± 0.006 | 0.050 ± 0.002 | − 140 / 39 | 8.0 | 7.2 ± 0.9 | 3.5 ± 0.9 | 22 | (24) |
Notes. Column 1: period designation. Column 2: period time range. Columns 3, 4: mean and standard deviation of the polarization fraction. Column 5: rotation amplitude over rotation duration. Columns 6, 7: total and debiased EVPA variation estimator. Column 8: variation estimator bias. Columns 9, 10: EVPA adjustment consistency level based on the averaged data and the non-averaged data, if differing. A consistency level of ∞ implies that all data points lie within a 90°-interval.
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