Cross-calibration of Suzaku/XIS and XMM-Newton/EPIC using galaxy clusters

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Volume 552 (April 2013)

A&A, 552 (2013) A47

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Table 5

Modified oxygen column density of the OBF contaminant in joint XIS fits.

	XIS0		XIS1		XIS3
Name	N_O^a	ΔN_O^b	N_O^a	ΔN_O^b	N_O^a	ΔN_O^b
	[10¹⁸ cm^-2]	[10¹⁸ cm^-2]	[10¹⁸ cm^-2]	[10¹⁸ cm^-2]	[10¹⁸ cm^-2]	[10¹⁸ cm^-2]


A1060	0.14 [0.12–0.15]	0.04 [0.02–0.04]	0.20 [0.19–0.21]	0.10 [0.09–0.10]	0.37 [0.36–0.38]	0.11 [0.10–0.12]
A1795	0.15 [0.13–0.17]	0.02 [0.00–0.04]	0.24 [0.23–0.26]	0.10 [0.08–0.11]	0.44 [0.41–0.47]	0.11 [0.08–0.14]
A262	0.85 [0.81–0.89]	0.00 [− 0.05–0.03]	1.09 [1.07–1.12]	0.20 [0.18–0.23]	1.31 [1.26–1.36]	0.16 [0.11–0.20]
A3112	1.06 [0.97–1.10]	–0.06 [− 0.15–− 0.02]	1.08 [1.05–1.13]	0.10 [0.07–0.15]	1.20 [1.15–1.29]	–0.02 [–0.07–0.07]
A496	1.33 [1.28–1.38]	0.16 [0.10–0.20]	1.30 [1.26–1.33]	0.30 [0.26–0.33]	1.50 [1.44–1.55]	0.28 [0.22–0.33]

Notes. The uncertainties are the statistical ones given at 1σ level.

^(a)

Oxygen column density of the 0.5–2.0 keV band spectral fits when forcing the temperatures and metal abundances to be equal in all instruments for a given cluster and allowing the oxygen column density of the contaminant to be a free parameter for all sources and instruments;

^(b)

modification to the oxygen column density of the contaminant.

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