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Table 3.
Average biases after METACALIBRATION for galaxies with 20 < mAUTO < 24.5.
| Setup | μ1 | μ2 | c1 [×105] | c2 [×105] |
|---|---|---|---|---|
| Baseline σw = 2 pixels | ||||
| METACALIBRATION (Rγ only) | −0.009 35 ± 0.000 42 | −0.008 80 ± 0.000 38 | −0.73 ± 1.60 | −1.24 ± 1.45 |
| METACALIBRATION (full) | 0.002 74 ± 0.000 42 | 0.002 89 ± 0.000 38 | −0.74 ± 1.62 | −1.26 ± 1.47 |
| METACALIBRATION (full, rsep, in > 2″) | 0.000 00 ± 0.000 25 | 0.000 95 ± 0.000 26 | −0.18 ± 0.96 | 0.93 ± 0.98 |
| METACALIBRATION (full, rsep, det > 2″) | −0.006 94 ± 0.000 31 | −0.006 01 ± 0.000 30 | −1.38 ± 1.18 | 0.74 ± 1.14 |
| METADETECTION | −0.000 81 ± 0.000 40 | 0.000 37 ± 0.000 41 | −2.90 ± 1.54 | 0.43 ± 1.57 |
| Baseline σw = 3 pixels | ||||
| METACALIBRATION (Rγ only) | −0.012 59 ± 0.000 42 | −0.012 23 ± 0.000 37 | −3.01 ± 1.60 | 0.14 ± 1.40 |
| METACALIBRATION (full) | 0.001 66 ± 0.000 42 | 0.001 64 ± 0.000 37 | −3.05 ± 1.62 | 0.14 ± 1.42 |
METACALIBRATION (full,  ) |
0.000 21 ± 0.000 27 | 0.002 37 ± 0.000 25 | −0.96 ± 1.05 | 1.19 ± 0.96 |
METACALIBRATION (full,  ) |
−0.007 14 ± 0.000 29 | −0.005 25 ± 0.000 27 | −2.16 ± 1.11 | 1.02 ± 1.03 |
| Grid σw = 2 pixels | ||||
| METACALIBRATION (Rγ only) | −0.008 52 ± 0.000 41 | −0.006 99 ± 0.000 37 | 0.33 ± 1.57 | 1.31 ± 1.41 |
| METACALIBRATION (full) | −0.001 07 ± 0.000 41 | −0.000 36 ± 0.000 37 | 0.33 ± 1.58 | 1.31 ± 1.42 |
Notes. In the ‘baseline’ case the galaxies are placed randomly and their images are sheared. Galaxies are placed on a regular grid, about 9″ apart for the ‘grid’ results. See text for details on the various selections.
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