Fig. 4.
Galaxy cluster core radius limit as a function of flux for an equatorial, an intermediate, and a deep final eROSITA survey field of approximately 1 ks, 2.5 ks, and 6 ks exposure, respectively. The black solid and black dashed lines show the core radius limits of a 3 keV cluster corresponding to 40 and 80 β-model counts on a 1–4′ and 1–16′ radial scale, respectively.
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