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Table 2.

Brightness temperatures in kK, correlation coefficients and slopes for the three pixel sets (whole box, QS and EN) each for two resolutions (original and degraded) for the s index and IRT index.

Original resolution Reduced resolution

Wavelength Whole box QS EN Whole box QS EN
Temperatures 0.3 mm 4.722 4.691 4.85 4.722 4.691 4.850
(kK) 0.8 mm 5.275 5.124 5.590 5.275 5.126 5.593
3.0 mm 6.968 6.621 7.835 6.968 6.637 7.848
4.5 mm 7.661 7.250 8.715 7.661 7.268 8.699

s index

Correlation 0.3 mm 0.704 ± 1.29E−03 0.645 ± 1.27E−03 0.744 ± 1.28E−03 0.729 ± 1.17E−03 0.666 ± 3.22E−03 0.767 ± 2.32E−03
0.8 mm 0.431 ± 1.62E−03 0.348 ± 1.64E−03 0.476 ± 1.62E−03 0.510 ± 1.49E−03 0.396 ± 4.49E−03 0.566 ± 2.66E−03
3.0 mm 0.249 ± 1.85E−03 0.101 ± 1.86E−03 0.339 ± 1.85E−03 0.534 ± 1.57E−03 0.095 ± 4.85E−03 0.701 ± 2.19E−03
4.5 mm 0.223 ± 2.01E−03 0.034 ± 1.97E−03 0.350 ± 1.99E−03 0.591 ± 1.59E−03 −0.099 ± 6.38E−03 0.811 ± 1.49E−03

Slopes 0.3 mm 0.165 ± 3.31E−04 0.114 ± 6.75E−04 0.214 ± 9.61E−04 0.175 ± 3.26E−04 0.120 ± 6.74E−04 0.224 ± 9.34E−04
0.8 mm 0.063 ± 2.63E−04 0.039 ± 5.32E−04 0.087 ± 8.04E−04 0.077 ± 2.56E−04 0.046 ± 5.36E−04 0.104 ± 7.58E−04
3.0 mm 0.029 ± 2.28E−04 0.010 ± 5.11E−04 0.051 ± 7.05E−04 0.049 ± 1.56E−04 0.009 ± 5.11E−04 0.082 ± 4.17E−04
4.5 mm 0.027 ± 2.28E−04 0.004 ± 5.50E−04 0.051 ± 6.87E−04 0.043 ± 1.16E−04 −0.009 ± 4.59E−04 0.082 ± 2.95E−04

IRT index

Correlation 0.3 mm 0.535 ± 1.77E−03 0.428 ± 1.72E−03 0.621 ± 1.74E−03 0.559 ± 1.64E−03 0.446 ± 4.20E−03 0.645 ± 3.29E−03
0.8 mm 0.307 ± 1.91E−03 0.212 ± 1.92E−03 0.383 ± 1.92E−03 0.382 ± 1.83E−03 0.253 ± 4.87E−03 0.472 ± 3.45E−03
3.0 mm 0.176 ± 1.96E−03 0.068 ± 1.97E−03 0.289 ± 1.93E−03 0.467 ± 1.69E−03 0.090 ± 4.40E−03 0.660 ± 2.16E−03
4.5 mm 0.164 ± 2.02E−03 0.019 ± 1.99E−03 0.296 ± 2.04E−03 0.514 ± 1.81E−03 −0.139 ± 5.54E−03 0.763 ± 1.53E−03

Slopes 0.3 mm 0.033 ± 1.04E−04 0.022 ± 2.36E−04 0.043 ± 2.76E−04 0.035 ± 1.03E−04 0.024 ± 2.38E−04 0.046 ± 2.72E−04
0.8 mm 0.012 ± 7.29E−05 0.007 ± 1.64E−04 0.017 ± 2.07E−04 0.015 ± 7.09E−05 0.008 ± 1.63E−04 0.021 ± 1.96E−04
3.0 mm 0.005 ± 6.09E−05 0.002 ± 1.52E−04 0.011 ± 1.75E−04 0.010 ± 3.79E−05 0.002 ± 1.34E−04 0.017 ± 9.65E−05
4.5 mm 0.005 ± 6.07E−05 0.001 ± 1.63E−04 0.011 ± 1.72E−04 0.008 ± 2.75E−05 −0.003 ± 1.15E−04 0.016 ± 6.90E−05

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