Table 3.
Estimated fluctuations caused by the CIB in polarized surface brightness density maps in absence and in presence of a strong foreground (see Sect. 5.5), minimal foreground surface brightness to obtain a 10% precision on the foreground polarized color (confusion noise only), and correlation coefficient of the polarized CIB signal between two polarized bands at this minimal surface brightness.
| PPI1 | PPI2 | PPI3 | PPI4 | |
|---|---|---|---|---|
| Polarized CIB 1σ fluctuations at native resolution in kJy/sr | 1.7 | 2.6 | 3.0 | 2.4 |
| 1σ confusion noise at native resolution in kJy/sr (strong foreground case) | 1.8 | 2.9 | 3.4 | 2.9 |
| Polarized CIB 1σ fluctuations at PPI4 angular resolution in kJy/sr | 1.2 | 1.8 | 2.3 | 2.4 |
| 1σ confusion noise at PPI4 angular resolution in kJy/sr (strong foreground case) | 1.4 | 2.2 | 2.8 | 2.9 |
| Polarized surface brightness limit to obtain a 10% uncertainty on the color with PPI4 in kJy/sr | 11 | 19 | 20 | – |
| Correlation coefficient between a band and PPI4 at the polarized surface brightness limit | 0.79 | 0.87 | 0.96 | – |
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