Table 1.
Zero level offset for each correction step.
| Planck |
This work |
||||
|---|---|---|---|---|---|
| Frequency | OHI | Ob | +O4 | Final | rms |
| [GHz] | [μK] | [μK] | [μK] | [μK] | [μK] |
| 100 | −3.5 ± 3.6 | −3.6 | 1.14 | 1.05 | 1.0 |
| 143 | −8.28 ± 2.8 | −1.08 | 3.67 | 3.49 | 1.1 |
| 217 | −26.1 ± 5.8 | −2.87 | 1.87 | 1.24 | 2.4 |
| 353 | −142.4 ± 27 | 6.26 | 11.0 | 6.17 | 12.2 |
| [MJy sr−1] | [MJy sr−1] | [MJy sr−1] | |||
| 545 | −0.884 ± 0.012 | 0.0048 | 0.0023 | ||
| 857 | −0.534 ± 0.16 | −0.124 | 0.04 | ||
Notes. For the HFI frequency bands, OHI gives the initial map offsets based on the zero HI column density extrapolation; Ob gives the relative bolometer offsets averaged over the frequency band; column +Ō gives the offsets after adding the global offset Ō; column Final gives the final offsets after removing the 545 GHz offset. The last column gives the final uncertainty on these zero levels.
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