Table 2
A2163 gas and total mass estimates performed from Yx mass proxy calibrated according to Arnaud et al. (2010), Vikhlinin et al. (2009), hydrostatic equilibrium assumption in the overall cluster (M500,HE), western (M500,HE,West) and eastern (M500,HE,East) cluster sectors of Fig. 7.
| YX,XMM (Arnaud et al. 2010) | YX,Chandra (Vikhlinin et al. 2009) | HE | HE, West | HE, East | |
|
|
|||||
| M500(1014 M⊙) |
|
|
|
|
|
| Mg,500(1014 M⊙) | 2.74 ± .01 | 2.84 ± .01 |
|
|
|
| r500(kpc) |
|
|
|
|
|
Notes. Confidence intervals in the Yx mass estimates include measurements uncertainties on gas mass and temperatures, and systematic uncertainties on the Yx − M500 scaling relations. Uncertainties on hydrostatic mass estimates have been obtained from random realisations of parameters in the fitted density and temperature profile of Eqs. (6) and (7).
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