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 | 676×676 | | Gain | 1.04227 |
| Read noise | 25.0889 |
| P.A. | 2.276 |
| Zero point | 32.7832 |
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Fit
| iteration | 2 | Best model |
| Algorithm | Levenberg-Marquardt |
| Loss function | chi-squared (data-based errors) |
| SUCCESS | Convergence in fit-statistic value. |
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Result
| Total | 16.7858 |
| χ2 | 6.42731e+6 |
| χ2/N | 55.6068 |
| AIC | 6.42734e+6 |
| BIC | 6.42747e+6 |
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BknExp3D
| Total | 16.8782 | ±0.103264 |
| SB0 | 39997.3 | ±2523.11 |
| X0 | 168.283 | ±1.65848e-5 |
| Y0 | 59.5354 | ±9.13174e-6 |
| PA | 65.9714 | ±0.0821761 |
| inc | 90 | ±0 |
| J_0 | 2197.69 | ±114.363 |
| h1 | 11.601 | ±0.698142 |
| h2 | 1.83489 | ±0.195261 |
| r_break | 15.8025 | ±0.301617 |
| n | 2.6865 | ±0.417085 |
| z_0 | 0.939737 | ±0.0331743 |
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Sersic
| Total | 19.5069 | ±0.209979 |
| SB0 | 37251.8 | ±12133.3 |
| X0 | 168.283 | ±1.71397e-5 |
| Y0 | 59.5355 | ±1.65931e-5 |
| PA | 66.0188 | ±0 |
| ell | 0 | ±0 |
| n | 0.844957 | ±0.152757 |
| I_e | 9458.61 | ±1144.31 |
| r_e | 1.39364 | ±0.0908672 |
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0_base_fit
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Image
| Band | i |
| Size | 676×676 | | Gain | 1.04227 |
| Read noise | 25.0889 |
| P.A. | 2.276 |
| Zero point | 32.7832 |
|
Fit
| iteration | 3 | |
| Algorithm | Levenberg-Marquardt |
| Loss function | chi-squared (data-based errors) |
| SUCCESS | Convergence in fit-statistic value. |
|
Result
| Total | 16.7855 |
| χ2 | 6.42086e+6 |
| χ2/N | 55.55 |
| AIC | 6.42088e+6 |
| BIC | 6.42099e+6 | | Problems: | scale equals error scale |
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DblBknExp3D
| Total | 16.7855 | ±8.35814 |
| SB0 | 60075.6 | ±4122.61 |
| X0 | 168.283 | ±1.16163e-5 |
| Y0 | 59.5354 | ±6.45143e-6 |
| PA | 66.0188 | ±0.0811354 |
| inc | 90 | ±0 |
| J_0 | 7492.22 | ±354.261 |
| h1 | 3.36278 | ±0.142537 |
| h2 | 1270.39 | ±1046.11 |
| h3 | 2.09186 | ±0.144856 |
| r_break1 | 7.40107 | ±0.206006 |
| r_break2 | 14.5429 | ±0.190634 |
| n | 2.63138 | ±0.33596 |
| z_0 | 0.9275 | ±0.0251806 |
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