Abundance and temperature distributions in the hot intra-cluster gas of Abell 4059

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Volume 575 (March 2015)

A&A, 575 (2015) A37

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Table 2

Best-fit parameters measured in the cluster core (circular region, R ~ 3 arcmin).

Parameter	Model	MOS+pn	MOS only	pn only

C-stat/d.o.f.	CIE	3719/1781	1904/1221	1109/546
	GDEM	3331/1780	1703/1220	969/545

Y (10⁷⁰ m^-3)	CIE	806 ± 3	779.7 ± 1.8	827 ± 3
	GDEM	821 ± 3	792 ± 3	845 ± 4

kT (keV)	CIE	3.696 ± 0.012	3.837 ± 0.015	3.431 ± 0.18

kT_mean (keV)	GDEM	3.838 ± 0.016	4.03 ± 0.02	3.58 ± 0.03
σ _T		0.261 ± 0.004	0.266 ± 0.007	0.251 ± 0.008

O	CIE	0.49 ± 0.03	0.57 ± 0.04	0.34 ± 0.03
	GDEM	0.46 ± 0.04	0.57 ± 0.04	0.33 ± 0.04

Ne	CIE	1.08 ± 0.04	1.09 ± 0.04	1.05 ± 0.05
	GDEM	0.33 ± 0.05	0.34 ± 0.06	0.36 ± 0.08

Mg	CIE	0.45 ± 0.04	0.82 ± 0.05	<0.04
	GDEM	0.45 ± 0.03	0.78 ± 0.05	<0.08

Si	CIE	0.49 ± 0.02	0.64 ± 0.03	0.32 ± 0.03
	GDEM	0.51 ± 0.02	0.66 ± 0.03	0.35 ± 0.03

S	CIE	0.46 ± 0.03	0.61 ± 0.04	0.25 ± 0.05
	GDEM	0.52 ± 0.03	0.66 ± 0.04	0.31 ± 0.05

Ar	CIE	0.27 ± 0.07	0.17 ± 0.15	0.35 ± 0.14
	GDEM	0.41 ± 0.08	0.30 ± 0.11	0.54 ± 0.15

Ca	CIE	0.89 ± 0.09	0.91 ± 0.11	0.78 ± 0.15
	GDEM	1.01 ± 0.10	0.98 ± 0.13	0.90 ± 0.15

Fe	CIE	0.740 ± 0.008	0.851 ± 0.009	0.624 ± 0.009
	GDEM	0.697 ± 0.006	0.803 ± 0.010	0.600 ± 0.010

Ni	CIE	1.04 ± 0.08	1.86 ± 0.11	0.34 ± 0.11
	GDEM	1.04 ± 0.07	1.83 ± 0.11	0.37 ± 0.10

Notes. A single-temperature (CIE) and a multi-temperature (GDEM) model have been successively fitted.

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