Table 7
Best-fitting GNFW shape and concentration parameters (cf. Eq. (3)) derived by fitting the parameterised GNFW profile to the measured X-ray pressure profiles of five clusters in our 11 cluster sample.
| Cluster | R500 (Mpc) | P 500 | P 0 | c 500 | α | γ |
|
|
||||||
| A1413 | 1.240 | 3.229 | 31.08 | 0.90 | 0.69 | 0.191 |
| A1914 | 1.348 | 4.045 | 49.94 | 1.88 | 0.95 | 0.000 |
| A2034 | 1.211 | 2.899 | 9.14 | 1.84 | 1.72 | 0.000 |
| A2218 | 1.169 | 3.039 | 40.92 | 1.02 | 0.74 | 0.000 |
| A773 | 1.232 | 3.724 | 20.61 | 1.25 | 0.96 | 0.000 |
Notes. Note that β = 5.49 is fixed and a prior of γ > 0 is imposed. This latter constraint is enforced to avoid unphysical pressure gradients being allowed by the GNFW parameterisation.
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