Table 5.
Reduced χ2 results in pixel space.
| Reduced χ2 | |||
|---|---|---|---|
| NCVM block, fsky | TT | UU | |
| 30 GHz | |||
| fsky = 100% | 1.1023 | 1.0043 | 1.0251 |
| 90% | 1.0751 | 1.0041 | 1.0029 |
| 80% | 1.0572 | 1.0042 | 0.9872 |
| 49.5% | 1.0887 | 1.0068 | 1.0053 |
| 44 GHz | |||
| fsky = 100% | 1.0464 | 1.1118 | 1.0595 |
| 90% | 1.0240 | 1.1070 | 1.0466 |
| 80% | 1.0120 | 1.0938 | 1.0470 |
| 71.4% | 1.0108 | 1.1198 | 1.0499 |
| 70 GHz | |||
| fsky = 100% | 1.0362 | 1.0026 | 1.0047 |
| 90% | 1.0212 | 1.0024 | 0.9825 |
| 80% | 1.0017 | 1.0055 | 0.9830 |
| 72.4% | 1.0133 | 1.0340 | 0.9990 |
Notes. We test the TT, QQ, and UU blocks of the pixel–pixel NCVM against the corresponding half-ring noise estimate, for full sky and for three different masks: a symmetric band around the Galactic plane, removing 10% or 20% of the sky; or the downgraded destriping mask (last row). The sky coverage in each case is reported in the first column. The statistical 1σ variation is 0.018 for full sky, and 0.019 or 0.020 for the 10% or 20% sky masks, respectively.
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