Table 1
LFI, HFI, and WMAP measurements of the Solar dipole.
| Galactic coordinates | |||
|
|
|||
| Amplitude | l | b | |
| Experiment | [μKCMB] | [deg] | [deg] |
|
|
|||
| LFIa ..................................................... | 3365.5 ± 3.0 | 264.01 ± 0.05 | 48.26 ± 0.02 |
| HFIa ..................................................... | 3364.29 ± 1.1 | 263.914 ± 0.013 | 48.265 ± 0.002 |
| Planck 2015 nominala .............. | 3364.5 ± 2.0 b | 264.00 ± 0.03 | 48.24 ± 0.02 |
| WMAPc ................................................ | 3355d± 8 | 263.99 ± 0.14 | 48.26 ± 0.03 |
Notes.
The “nominal” Planck dipole was chosen as a plausible combination of the LFI and HFI measurements early in the analysis, to carry out subtraction of the dipole from the frequency maps (see Sect. 5.4.3). The current best determination of the dipole comes from an average of 100 and 143 GHz results (Planck Collaboration VIII 2016).
See Sect. 5.4.1 for the effect of this amplitude on Planck calibration in 2013.
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