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This article has an erratum: [https://doi.org/10.1051/0004-6361/201731445e]


Table 3

Background components added to the ICM event list for the [0.5–2] keV band, in which the cluster detection is performed.

Band [0.5–2] keV MOS1+MOS2+PN
Diffuse background* 5.1 × 10−6 cts s−1 pix−1
Soft-proton* 2.6 × 10−6 cts s−1 pix−1
Particle background 2.4 × 10−6 cts s−1 pix−1

Notes.The pixel size is 2.5′′. The (*) indicates the components affected by the instrumental vignetting.

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