Imfit 2D-decomposition into structural components of PS1 candidate (dr1) images
The request returns 2 objects.
1_added_bulge_fit
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Image
| Band | i |
| Size | 464×464 | | Gain | 1.14393 |
| Read noise | 88.8017 |
| P.A. | 359.353 |
| Zero point | 33.078 |
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Fit
| iteration | 2 | |
| Algorithm | Nelder-Mead Simplex |
| Loss function | chi-squared (data-based errors) |
| SUCCESS | ftol_rel or ftol_abs reached |
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Result
| Total | 15.7786 |
| χ2 | 384366 |
| χ2/N | 7.01039 |
| AIC | 384398 |
| BIC | 384540 | | Problems: | too small scale; sersic scale greater than exponential |
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Sersic
| Total | 16.1646 |
| SB0 | 4.13599e+6 |
| X0 | 139.973 |
| Y0 | 28.9786 |
| PA | 83.0528 |
| ell | 0.665911 |
| n | 4.29471 |
| I_e | 1071.43 |
| r_e | 15.2255 |
|
BknExp3D
| Total | 17.0886 |
| SB0 | 232109 |
| X0 | 139.972 |
| Y0 | 28.9786 |
| PA | 86.0572 |
| inc | 90 |
| J_0 | 21794.1 |
| h1 | 5.81952 |
| h2 | 1.2631 |
| r_break | 12.9237 |
| n | 19.8892 |
| z_0 | 0.354725 |
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|
0_base_fit
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|
Image
| Band | i |
| Size | 464×464 | | Gain | 1.14393 |
| Read noise | 88.8017 |
| P.A. | 359.353 |
| Zero point | 33.078 |
|
Fit
| iteration | 5 | Best model |
| Algorithm | Nelder-Mead Simplex |
| Loss function | chi-squared (data-based errors) |
| SUCCESS | ftol_rel or ftol_abs reached |
|
Result
| Total | 16.7577 |
| χ2 | 388308 |
| χ2/N | 7.08448 |
| AIC | 388326 |
| BIC | 388406 |
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BknExp3D
| Total | 16.7577 |
| SB0 | 232063 |
| X0 | 139.972 |
| Y0 | 28.9786 |
| PA | 85.991 |
| inc | 90 |
| J_0 | 26791.7 |
| h1 | 4.44653 |
| h2 | 1.58679 |
| r_break | 14.2643 |
| n | 19.8809 |
| z_0 | 0.538485 |
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