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Table 2.
Mean ( μ), standard deviation (σ) and selected quartiles (Q1, 3) of the reference-to-measured ratio of all mock sources added to the example image in Fig. 5, corresponding to the sky subtraction algorithms compared in this work.
| Algorithm | μratio | σratio | Q1 | Q3 |
|---|---|---|---|---|
| Azimuthally | 1.011 | 0.077 | 0.999 | 1.028 |
| averaged | ||||
| tringSub | 1.063 | 0.059 | 1.031 | 1.074 |
| ringsub | 1.012 | 0.044 | 1.001 | 1.021 |
| (this work) |
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