Table 21
Peak statistics for the different feature models showing the Raw peak maximum significance (for the given Modal survey domain), the corrected significance of this Single maximum peak after accounting for the parameter survey size (the “look-elsewhere” effect) and the Multi-peak statistic which integrates across the adjusted significance of all peaks to determine consistency with Gaussianity.
| SMICA | SEVEM | NILC | Commander | |||||||||
|
|
||||||||||||
| Raw | Single | Multi | Raw | Single | Multi | Raw | Single | Multi | Raw | Single | Multi | |
|
|
||||||||||||
| Features constant T-only | 2.7 | 0.5 | 1.7 | 2.6 | 0.4 | 1.5 | 2.8 | 0.7 | 2.2 | 2.9 | 0.8 | 2.7 |
| Features constant T+E | 2.7 | 0.5 | 1.9 | 2.8 | 0.7 | 2.5 | 2.8 | 0.7 | 2.4 | 2.6 | 0.4 | 1.5 |
| Features equilateral T-only | 3.3 | 1.5 | 4.0 | 3.2 | 1.3 | 3.5 | 3.3 | 1.6 | 4.1 | 2.9 | 0.9 | 2.5 |
| Features equilateral T+E | 2.6 | 0.4 | 1.3 | 2.6 | 0.4 | 1.6 | 2.8 | 0.7 | 1.9 | 2.7 | 0.6 | 1.5 |
| Features flattened T-only | 2.5 | 0.3 | 1.4 | 2.6 | 0.4 | 1.6 | 2.7 | 0.5 | 2.1 | 2.8 | 0.8 | 2.7 |
| Features flattened T+E | 2.9 | 0.9 | 2.9 | 3.0 | 1.1 | 3.5 | 3.1 | 1.2 | 3.8 | 3.1 | 1.2 | 3.8 |
| K2cos features T-only | 2.5 | 0.7 | 1.9 | 2.3 | 0.6 | 1.6 | 2.7 | 1.0 | 2.5 | 2.2 | 0.3 | 1.1 |
| K2cos features T+E | 2.7 | 1.0 | 2.5 | 2.7 | 1.1 | 2.6 | 2.6 | 1.0 | 2.5 | 2.4 | 0.6 | 1.8 |
| Ksin feature T-only | 2.8 | 1.2 | 2.8 | 2.7 | 1.1 | 2.7 | 3.0 | 1.5 | 3.4 | 2.6 | 0.9 | 2.3 |
| Ksin features T+E | 2.1 | 0.3 | 1.0 | 2.9 | 1.4 | 3.1 | 2.4 | 0.6 | 1.7 | 2.3 | 0.5 | 1.6 |
Notes. SMICA, SEVEM and NILC map analyses exhibit satisfactory bispectrum agreement for all the different models, whereas the Commander results produce some anomalously large results, especially for polarization. The significant signal for the equilateral features model in the T-only multi-peak statistic is reduced when polarization is added. The flattened feature model produces interesting results, which are reinforced with polarization to the 3σ-level, with a high multi-peak significance.
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