Table 2
Measured velocity amplitudes along the β∥ direction, in units of 369, using combinations of the 143 and 217 GHz data, as discussed in Sect. 4.
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143 × 143 | 217 × 217 | 143 + 217 | 143 × 217 | ||
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143 × 143 | ... | 1.35 ± 0.26 | 2.10 ± 0.41 | 2.27 ± 0.44 | 2.39 ± 0.46 |
217 × 217 | ... | 0.60 ± 0.21 | 0.75 ± 0.19 | 1.67 ± 0.38 | 1.79 ± 0.38 |
143 + 217 | ... | 0.43 ± 0.15 | − 0.17 ± 0.09 | 0.92 ± 0.20 | 1.96 ± 0.40 |
143 × 217 | ... | 0.31 ± 0.13 | − 0.29 ± 0.12 | − 0.12 ± 0.07 | 1.04 ± 0.21 |
Notes. The diagonal shows the results for the indicated reconstruction. Below the diagonal, the numbers given are for the difference of the two results, and the uncertainty accounts for the correlation between each pair of measurements. This lower triangle is a null test. Several of these null tests fail between 143 and 217 GHz, although both channels provide evidence for β∥, which is consistent with the expected amplitude and discrepant with zero at 4–5σ.
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