eROSITA spectrum of the Northern Clump from an annulus of 2.4–6′, fitted in the energy range 0.7–9.0 keV. The spectra and the corresponding response files of TM3 and TM4 are merged for a better visualization. The black points are the Northern Clump spectral data, while the black, red, green, and blue lines represent the total model, the cluster model, the instrumental background model, and the CXB model, respectively.