The cosmological analysis of X-ray cluster surveys - III. 4D X-ray observable diagrams

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Table 2

Observable cluster parameters used in the cosmological diagnostic diagrams.

Name	Symbol	Unit

XMM count-rate in [0.5–2] keV	CR	counts/s
XMM hardness ratio	HR	–
Apparent core radius^*	r _c	arcsec
Redshift	z	–

Notes. Count-rates are corrected for the vignetting and integrated to infinity;

^(*)

this is relative to a β-model and is the measure after deconvolution from the XMM PSF.

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