Table 3
Summary of the mean and standard deviation of the dust parameters for specific masks.
| Mask | Coverage | ⟨ Tobs ⟩ | σ(Tobs) | ⟨ βobs ⟩ | σ(βobs) | ⟨ τ353 ⟩ | σ(τ353) | ⟨ ℛ ⟩ | σ(ℛ) |
| [%] | [K] | [K] | [W m-2 sr-1] | [W m-2 sr-1] | |||||
|
|
|||||||||
| Whole sky | 100 | 19.7 | 1.4 | 1.62 | 0.10 | 45.0 × 10-7 | 53.3 × 10-7 | 15.2 × 10-8 | 16.9 × 10-8 |
| G56 | 57 | 20.2 | 1.2 | 1.60 | 0.12 | 21.7 × 10-7 | 16.9 × 10-7 | 8.0 × 10-8 | 5.3 × 10-8 |
| | b | > 15 ° | 50 | 20.3 | 1.3 | 1.59 | 0.12 | 18.5 × 10-7 | 13.2 × 10-7 | 7.1 × 10-8 | 4.1 × 10-8 |
| G45 | 47 | 20.3 | 1.3 | 1.59 | 0.12 | 17.5 × 10-7 | 12.7 × 10-7 | 6.9 × 10-8 | 4.0 × 10-8 |
| G35 | 37 | 20.5 | 1.3 | 1.57 | 0.13 | 13.8 × 10-7 | 8.8 × 10-7 | 5.7 × 10-8 | 2.8 × 10-8 |
| South cap | 17 | 20.5 | 1.4 | 1.59 | 0.13 | 14.5 × 10-7 | 10.7 × 10-7 | 6.2 × 10-8 | 3.6 × 10-8 |
| Low NH i | 11 | 20.8 | 1.4 | 1.55 | 0.15 | 9.6 × 10-7 | 4.1 × 10-7 | 4.1 × 10-8 | 1.2 × 10-8 |
| Lowest 1% | 1 | 20.9 | 1.7 | 1.51 | 0.18 | 6.4 × 10-7 | 2.9 × 10-7 | 2.5 × 10-8 | 0.5 × 10-8 |
Notes. The angular resolution of all quantities is 5′ except for βobs which is at 30′. The | b | > 15° mask also includes the restriction NH i< 5.5 × 1020cm-2. The Low NH i mask is the one shown in Fig. 3, left. The south cap mask corresponds to that developed for the analysis in Planck Collaboration Int. XVII (2014). The Lowest 1% mask corresponds to the lowest 1% NH i column density estimated using the LAB data. The remaining masks (G35, G45, and G56) are among those used in the Planck cosmology papers (e.g., Planck Collaboration XV 2014), based in part on thresholding the Planck 353 GHz temperature map.
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