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Table 5
Contributors to uncertainties at map level.
| Method used to assess uncertainty | |||
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| Uncertainty | Applies to | LFI | HFI |
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| Gain calibration standard ...... | All sky | WMAP dipole | 100–353 GHz: WMAP dipole |
| 545–857 GHz: Planet model | |||
| Zero level | All sky ...... | Galactic cosecant model | Galactic zero: correlation to HI |
| Comparison with WMAP | CIB: empirical model | ||
| Beam uncertainty ...... | All sky | GRASP models via Febecop | Beam MC realizations via Quickbeam |
| Colour corrections ...... | non-CMB emission | Comparison of ground/flight bandpass leakages | Ground measurements |
| Beam Colour corrections ...... | non-CMB emission | GRASP models | GRASP models |
| Residual systematics .......... | All sky | Null tests | Null tests |
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