Table 2.
Overview NFW models.
| Model | ic | M200/1014 M⊙ | σc | ei |
|---|---|---|---|---|
| sphNFW | iBCG | [0.5, 100] | [−3, 3] | 0 |
| eNFW4 | iBCG | [0.5, 100] | [−3, 3] | [−1, 1] |
| eNFW6 | [iBCG ± 25″] | [0.5, 100] | [−3, 3] | [−1, 1] |
Notes. The three different models we use in this work: (i) ‘sphNFW’, a spherically symmetric NFW model with centre fixed at the BCG; (ii) ‘eNFW4’, an elliptical NFW model with the centre fixed at the BCG; and (iii) ‘eNFW6’, the full 6-parameter elliptical NFW model. Entries without square brackets denote fixed parameters, while those in square brackets represent the prior limits of a free parameter. The prior on mass follows a log-uniform distribution, whereas all other parameters have uniform priors. In this table, i denotes either the x or the y coordinate; σc the number of standard deviations of the scatter above or below the Ludlow et al. (2016) concentration-mass relation; and ei the decomposed ellipticity defined in Equation (13).
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