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Table 2.
Result of the fitting to the QSO sample.
| Model | HEALPix | ⟨C0⟩ | N | C1 | C2 | C3 |
|---|---|---|---|---|---|---|
| level | (μas) | (μas mag−1) | (μas mag−2) | (μas mag1) | ||
| All G magnitudes | ||||||
| 1 | 2 | −20.6 ± 9.0 | 190/192 | – | – | – |
| 2 | 2 | −14.5 ± 9.2 | 190/192 | 4.00 ± 0.25 | – | – |
| 3 | 2 | −13.8 ± 8.9 | 190/192 | 4.91 ± 0.63 | 0.24 ± 0.13 | – |
| 4 | 2 | −14.1 ± 9.0 | 190/192 | 5.16 ± 0.60 | 0.29 ± 0.14 | −3.08 ± 1.16 |
| 5 | 3 | −21.0 ± 12.4 | 706/768 | – | – | – |
| 6 | 3 | −14.9 ± 12.2 | 706/768 | 3.97 ± 0.23 | – | – |
| 7 | 3 | −14.2 ± 12.7 | 706/768 | 5.07 ± 0.60 | 0.29 ± 0.13 | – |
| 8 | 3 | −14.9 ± 12.5 | 706/768 | 5.18 ± 0.65 | 0.28 ± 0.13 | −3.61 ± 1.23 |
| 9 | 4 | −15.1 ± 19.0 | 2600/3072 | 4.85 ± 0.45 | 0.22 ± 0.08 | −3.96 ± 1.67 |
| 17 < G < 20 | ||||||
| 10 | 1 | −12.1 ± 7.4 | 48/48 | 5.97 ± 0.41 | – | – |
| 11 | 2 | −20.7 ± 9.0 | 190/192 | – | – | – |
| 12 | 2 | −12.4 ± 9.1 | 190/192 | 6.03 ± 0.32 | – | – |
| 13 | 2 | −12.5 ± 9.2 | 190/192 | 6.11 ± 0.44 | – | −3.55 ± 1.49 |
| 14 | 2 | −13.4 ± 9.2 | 190/192 | 4.13 ± 1.51 | −0.71 ± 0.52 | - |
| 15 | 2 | −13.2 ± 9.3 | 190/192 | 4.54 ± 1.71 | −0.53 ± 0.54 | −3.17 ± 1.35 |
| 16 | 3 | −12.5 ± 12.6 | 698/768 | 6.05 ± 0.45 | – | – |
| 17 | 3 | −12.9 ± 12.5 | 698/768 | 4.70 ± 1.32 | −0.53 ± 0.50 | −4.06 ± 1.55 |
| 19.875 < G < 20.125 | ||||||
| 18 | 0 | −13.4 ± 6.5 | 12/12 | – | – | – |
| 19 | 1 | −14.3 ± 11.3 | 47/48 | – | – | – |
| 20 | 2 | −12.8 ± 22.0 | 180/192 | – | – | – |
| 21 | 3 | −13.6 ± 44.2 | 595/768 | – | – | – |
| 22 | 4 | −13.5 ± 62.8 | 921/3072 | – | – | – |
| 20.125 < G < 22.5 | ||||||
| 23 | 1 | −22.5 ± 23.8 | 47/48 | – | – | – |
| 24 | 1 | −16.8 ± 22.1 | 47/48 | −16.35 ± 7.90 | – | – |
| 25 | 2 | −13.86 ± 33.3 | 182/192 | −15.64 ± 9.59 | – | – |
| 26 | 2 | −13.39 ± 33.1 | 182/192 | −16.30 ± 7.30 | – | −3.71 ± 4.17 |
| 27 | 2 | −13.99 ± 34.2 | 182/192 | −15.36 ± 30.71 | −1.96 ± 33.7 | −3.21 ± 5.51 |
| 28 | 3 | −15.4 ± 51.9 | 640/768 | −15.43 ± 7.66 | - | - |
| 0 < G < 17 | ||||||
| 29 | 0 | −30.6 ± 5.5 | 12/12 | – | – | – |
| 17 < G < 22.5, magnitude corrected according to Eq. (5) | ||||||
| 30 | 0 | −11.8 ± 3.0 | 12/12 | – | – | – |
| 31 | 1 | −13.1 ± 7.0 | 48/48 | – | – | – |
| 32 | 2 | −12.8 ± 8.9 | 190/192 | – | – | – |
| 33 | 3 | −12.4 ± 12.3 | 705/768 | – | – | – |
| 34 | 4 | −13.1 ± 20.1 | 2599/3072 | – | – | – |
| 17 < G < 22.5, G and (GBP − GRP) corrected according to Eqs. (5) and (6) | ||||||
| 35 | 0 | −12.4 ± 3.4 | 12/12 | – | – | – |
| 36 | 1 | −13.4 ± 7.3 | 48/48 | – | – | – |
| 37 | 2 | −13.0 ± 9.1 | 190/192 | – | – | – |
| 38 | 3 | −13.1 ± 12.2 | 705/768 | – | – | – |
| 39 | 4 | −13.5 ± 19.7 | 2599/3072 | – | – | – |
Notes. The result of the fitting Eq. (2) to the QSO sample. The value for ⟨C0⟩ is the median and dispersion over all HEALPix pixels with 40 objects per pixel or more based on Monte Carlo simulations. The number of these pixels is listed in Col. 4.
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