Multi-frequency imaging of the galaxy cluster Abell 2163 using the Sunyaev-Zel'dovich effect

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Table 2:

Systematic effects in the de-projected temperature and density profiles. Statistical errors are indicated for comparison.
Source of	Effect on $T_{\rm e}$		Effect on $n_{\rm e}$
uncertainty	r₂₅₀₀	r₅₀₀	r₂₅₀₀	r₅₀₀
Primary CMB	$\pm3.7\%$	$\pm8.7\%$	$\pm1.1\%$	$\pm3.3\%$
Filter function (SZE map)	$+2.1\%$	$+8.9\%$	$+0.3\%$	$+1.4\%$
X-ray background	$^{+0.5\%}_{-0.3\%}$	$^{+2.4\%}_{-3.1\%}$	$^{+0.8\%}_{-0.2\%}$	$^{+1.1\%}_{-0.3\%}$
Metal abundance	$^{+2.2\%}_{-1.3\%}$	$^{+1.5\%}_{-0.2\%}$	$^{+1.9\%}_{-2.8\%}$	$^{+2.4\%}_{-3.5\%}$
Total systematic^a	$^{+4.8\%}_{-3.9\%}$	$^{+12.8\%}_{-9.2\%}$	$^{+2.4\%}_{-3.0\%}$	$^{+4.5\%}_{-4.8\%}$
Statistical	$\pm 19.3\%$	$\pm 43.5\%$	$\pm1.1\%$	$\pm 6.0\%$

^a Added in quadrature.

Source LaTeX | All tables | In the text

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