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Table 4.
Best-fit and marginalized values with 1σ uncertainties for the parameters of our lensing-only models based on the extended surface brightness distribution of sources S0 and S3 and on the positions of multiple images from other sets.
| Esr2-MP (L) |
Esr2-MPtest (L)* |
||||
|---|---|---|---|---|---|
| Component | Parameter | Best-fit | Marginalized | Best-fit | Marginalized |
| BGG | rtr, BGG [″] | 15.010 |
 |
14.107 |
 |
| (dPIE) | θE, BGG [″] | 8.558 |
 |
8.419 |
 |
| xGH [″] | 72.688 |
 |
72.741 |
 |
|
| yGH [″] | 63.767 |
 |
63.859 |
 |
|
| Group halo | qGH | 0.870 |
 |
0.846 |
 |
| (SPEMD) | θPA, GH [°] | 138.882 |
 |
134.946 |
 |
| rcore, GH | 12.232 |
 |
9.979 |
 |
|
| θE, GH [″] | 22.646 |
 |
22.967 |
 |
|
| γGH | 0.871 |
 |
0.713 |
 |
|
| rtr, ref [″] | 5.000 |
 |
4.698 |
 |
|
| θE, ref [″] | 0.506 |
 |
0.442 |
 |
|
| Group members | θE, 1 [″] | 1.283 |
 |
1.204 |
 |
| (dPIE) | θE, 2 [″] | 0.749 |
 |
0.777 |
 |
| θE, 6 [″] | 0.921 |
 |
1.345 |
 |
|
| θE, 7 [″] | 2.672 |
 |
2.942 |
 |
|
| S0(PIEMD) | θE, S0 [″] | 1.756 |
 |
1.651 |
 |
| External | γext | 0.0905 |
 |
0.0939 |
 |
| Shear | θext [°] | 167.387 |
 |
162.814 |
 |
Notes. We refer to Table 3 for details on the parameters.
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