Appendix of HFI DPC paper
This page is intented to provide complementary figures to those of the 2017 HFI DPC paper (Planck-2020-A3[1]).
Section 3.1.2: Very bright regions where the sub-pixel effect in the CO foreground templates prevent them to be used for cosmology or astrophysics analysis
The difference between the downgraded (at Nside=128) CO simulated map and the map at Nside=2048 provides the level of the bias introduced by this downgrading for each bolometer. Residual frequency maps have been computed using this information projected for each bolometer multiplied by the CO bandpass coefficient computed by SRoll.
The table displays the maps of the logarithm of the ratio of the variance inside each pixel at Nside=128 between the CO frequency residual map and the noise level estimated from the End-to-end simulations. This bias is well determined and specific masks adapted to each scientific analysis can be computed at the appropriate level. It can also be noted that very few pixels close to the Galactic centre have been biased at the level comparable to the noise.
Those masks are provided in the PLA.
The table also gives the sky fraction masked by thresholding at 100, 10, and 1 % the rms noise of the CO bandpass correction at Nside=2048 inside the pixel at Nside=128 referred to the rms of the noise at Nside=2048 inside the pixel at Nside=128.
Section 3.2: complementary figures of Fig. 11
2015 maps | 2017 maps | difference | |||||||
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I | Q | U | I | Q | U | I | Q | U | |
100 GHz | |||||||||
143 GHz | |||||||||
217 GHz | |||||||||
353 GHz | |||||||||
545 GHz | . | . | . | . | . | . | |||
857 GHz | . | . | . | . | . | . |
Section 5.3.10: for convenience, we reproduce here Figures 6, 7 and 8 of Rosset et al.
This paper is published as Rosset et al. Planck pre-launch status: High Frequency Instrument polarization calibration. 2010b, A&A, 520, A13. ([2]) The figures 6, 7 et 8 reproduced hereunder are given in the version on ArXiv 1004.2595
gain errors (1) | polarization efficiency errors (2) | orientation errors (3) |
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(1)
in rms due to gain errors from 0.01% to 1% for E-mode (top) and B-mode (bottom) compared to initial spectrum (solid black lines). Cosmic variance for E-mode is plotted in dashed black line.(2)
in rms due to polarization efficiency errors from 0.1% to 4% for E-mode (top) and B-mode (bottom) compared to initial spectrum (solid black lines). Cosmic variance for E-mode is plotted in dashed black line.(3)
in rms due to various orientation errors from 0.25 to 2 degrees for E-mode (top) and B-mode (bottom) compared to initial spectrum (solid black lines). Cosmic variance for E-mode is plotted in dashed black line.Section 5.5: complementary figures of Fig. 29
100 GHz bolometers | 143 GHz bolometers | 217 GHz bolometers | 353 GHz bolometers | ||||
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100px | |||||||
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Section 5.13: complementary figures of Fig. 47
References[edit]
- ↑ Planck 2018 results. III. High Frequency Instrument data processing and frequency maps, Planck Collaboration, 2020, A&A, 641, A3.
- ↑
(Planck) High Frequency Instrument
Data Processing Center
Planck Legacy Archive
EMI/EMC influence of the 4K cooler mechanical motion on the bolometer readout electronics.
analog to digital converter