Table 9
Clean field correlated noise estimation.
| r | HIP 544 | 100 μm | HIP 544 | 160 μm | HIP 99240 | 100 μm | HIP 99240 | 160 μm |
| σpix (Jy) | α corr | σpix (Jy) | α corr | σpix (Jy) | α corr | σpix (Jy) | α corr | |
|
|
||||||||
| 3.20 | 1.91e-05 | 3.88 | 5.91e-05 | 3.61 | 4.69e-05 | 3.36 | 1.14e-04 | 3.73 |
| 1.47 | 7.79e-05 | 2.07 | 2.50e-04 | 1.85 | 1.89e-04 | 1.81 | 5.05e-04 | 1.83 |
| 1.00 | 1.56e-04 | 1.53 | 5.13e-04 | 1.33 | 3.60e-04 | 1.40 | 1.05e-03 | 1.30 |
| 0.67 | 3.09e-04 | 1.15 | 8.84e-04 | 1.16 | 6.87e-04 | 1.10 | 1.97e-03 | 1.04 |
| 0.50 | 4.75e-04 | 1.00 | 1.36e-03 | 1.00 | 1.01e-03 | 1.00 | 2.73e-03 | 1.00 |
Notes.The correlated noise factors αcorr are estimated as the ratio between the σpix value obtained for the largest output image pixel size (twice the natural pixel size) and the size of interest. No correlation noise is assumed for the largest output image pixel size. The box size is approximately constant for all output pixel sizes: ~25″, 50″ for 100 and 160 μm, respectively.
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