Table 1.
Best-fit parameters of different components from the 2D image decomposition of the Model 1 mock image.
| Component | Configuration | n | re | μe | b/a | PA | f/ftot |
|---|---|---|---|---|---|---|---|
| (arcsec) | (mag arcsec−2) | (°) | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
| barlens | bl+bar+D1+D2 (free) | 0.83 ± 0.02 | 7.22 ± 0.14 | 18.28 ± 0.02 | 0.48 ± 0.01 | 2.28 ± 0.12 | 0.33 ± 0.02 |
| bl+bar+D1+D2 (geo. fixed) | 0.93 ± 0.02 | 7.25 ± 0.50 (fixed) | 18.48 ± 0.01 | 0.52 ± 0.02 (fixed) | 2.88 ± 0.06 | 0.32 ± 0.02 | |
| bl+bar+D | 0.79 ± 0.04 | 7.14 ± 0.23 | 18.29 ± 0.03 | 0.48 ± 0.01 | 2.64 ± 0.02 | 0.34 ± 0.03 | |
| bar | bar+D | 0.98 ± 0.07 | 9.29 ± 0.57 | 18.47 ± 0.07 | 0.41 ± 0.01 | 1.97 ± 0.04 | 0.45 ± 0.06 |
| bar+D1+D2 | 1.10 ± 0.02 | 9.96 ± 0.08 | 18.60 ± 0.02 | 0.43 ± 0.01 | 1.89 ± 0.02 | 0.48 ± 0.04 | |
| bl+bar+D1+D2 (free) | 0.38 ± 0.04 | 20.04 ± 0.64 | 20.72 ± 0.07 | 0.34 ± 0.01 | 1.28 ± 0.12 | 0.14 ± 0.02 | |
| bl+bar+D1+D2 (geo. fixed) | 0.65 ± 0.06 | 17.56 ± 0.48 | 20.50 ± 0.04 | 0.31 ± 0.05 | 0.94 ± 0.19 | 0.15 ± 0.02 | |
| bl+bar+D | 0.54 ± 0.06 | 23.32 ± 0.61 | 20.99 ± 0.06 | 0.24 ± 0.01 | 0.66 ± 0.12 | 0.13 ± 0.02 | |
Notes. The columns from left to right show the component, the decomposition configuration, the Sérsic index, the effective radius, the surface brightness at the effective radius, the axial ratio, the position angle and the relative flux ratio of the component, respectively. In column (2), “free” stands for freeing all parameters of the barlens; “geo. fixed” stands for fixing the axial ratio and the size of the barlens.
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