Summary of the best fit models of MACS 1206 and comparison with previous works on other clusters using only spectroscopically confirmed families of multiple images.
|Model ID||N. par.||d.o.f.||Δrms [′′]||BIC||AIC||Description|
|P1||10||100||2.04||819||1023||996||One elliptical PIEMD halo, 265 members and external shear|
|P2||14||96||1.37||394||616||579||Same as P1, but with a second circular PIEMD halo|
|P3||18||92||0.56||62.6||304||256||Same as P2, but with a third circular PIEMD halo|
|P3ε||22||88||0.44||41.0||301||242||Same as P3, but ε and θ values of all halos are free to vary (reference)|
|N3ε||22||85||0.40||33.3||294||235||Same as P3ε, but the central halo is a pseudo-elliptical NFW|
|G3ε||23||84||0.40||33.3||299||237||Same as P3ε, but the central halo is a pseudo-elliptical gNFW|
|P4||22||88||0.53||52.4||313||254||Same as P3, but with a fourth circular PIEMD halo|
|P3εBCG||25||82||0.44||40.0||315||247||Same as P3, but with BCG parameters free to vary|
|Abell S1063||17||41||0.32||16.8||–||–||Updated model from Caminha et al. (2016a) and Karman et al. (2017)|
|MACS J0416||26||104||0.59||143||–||–||Model by Caminha et al. (2017)|
|Abell 2744||30||78||0.67||133||–||–||Model with the “gold constraints” by Mahler et al. (2017)|
Notes. Summary of the strong lensing models and their global results. Columns show the model IDs, the number of optimized parameters (N. par.) and degrees of freedom (d.o.f.), the best fit positional Δrms, the value of the reference , the Bayesian Information Criterion (Schwarz 1978), the Akaike information criterion (Akaike 1974), and a short description of each model. For the definitions of these quantities, we refer to Caminha et al. (2016a).
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