Open Access
Table 1.
KSB-induced shear biases Δmi, Δci as a function of the S/N of stars on which the PSF models were fitted.
| S/N | 10 |
20 |
35 |
50 |
|||||
|---|---|---|---|---|---|---|---|---|---|
| Ellipticity component | 1st | 2nd | 1st | 2nd | 1st | 2nd | 1st | 2nd | |
| Δmi | RCA | 0.14 | 0.12 | 0.13 | 0.11 | 0.13 | 0.12 | 0.13 | 0.12 |
| PSFEx | 0.16 | 0.14 | 0.16 | 0.15 | 0.16 | 0.14 | 0.16 | 0.14 | |
| Δci × 103 | RCA | −4.70 | 0.48 | −6.37 | 0.24 | −3.23 | 0.89 | −3.30 | 1.47 |
| PSFEx | −2.88 | 1.22 | −3.05 | −0.19 | −0.96 | 0.13 | −1.10 | 0.31 | |
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