A Chandra view of SPT-CL J0217–5014: A massive galaxy cluster at a cosmic intersection at z = 0.53

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Table 2.

Priors and best-fit parameters for the joint X-ray–SZ MCMC analysis.

	n₀	r_c	β	T_ICM	α	S_bkg
	(cm⁻³)	(kpc)		(keV)		(cts s⁻¹ arcmin⁻² cm⁻²)
Prior range	10⁻⁶ − 0.1	1 − 10³	0.1 − 2	0.5 − 20	0 − 10	10⁻¹⁰ − 1
Best-fit parameter	$(4 . 83_{- 0.52}^{+ 0.60}) \times 10^{- 3}$ $(4.83_{-0.52}^{+0.60}) \times 10^{-3}$	$125_{- 21}^{+ 25}$ $125_{-21}^{+25}$	$0 . 60_{- 0.05}^{+ 0.07}$ $0.60_{-0.05}^{+0.07}$	$6 . 95_{- 1.15}^{+ 1.24}$ $6.95_{-1.15}^{+1.24}$	$0 . 32_{- 0.16}^{+ 0.15}$ $0.32_{-0.16}^{+0.15}$	(1.77 ± 0.02)×10⁻⁵

Notes. Uniform priors are given by their allowed ranges. Best-fit parameters with a 1σ confidence interval were derived from the posterior distributions.

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