Table 3
Fractions of sky covered by the PCCS2 catalogue, the filament mask, and the Galactic region for the HFI channels.
| Channel | PCCS2 area | Filament mask | Galactic region |
| % sky | % sky | % sky | |
|
|
|||
| 100 ....... | 85.0 | ... | 15.0 |
| 143 ....... | 85.0 | ... | 15.0 |
| 217 ....... | 64.9 | 2.2 | 35.0 |
| 353 ....... | 47.6 | 7.5 | 52.0 |
| 545 ....... | 47.0 | 10.9 | 52.0 |
| 857 ....... | 46.3 | 13.9 | 52.0 |
Notes. No masks are required for the LFI channels, where the PCCS2 covers the entire sky. The filament mask is not required for the lowest two HFI frequency channels. Some parts of the sky are covered by both the filament mask and the Galactic region.
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