Broadband maps of eROSITA and their comparison with the ROSAT survey

Open Access

Fig. 7

N_H1 contours overlaid onto the eROSITA soft-band images. The western sky l = [180, 360] shows the eROSITA/eRASSl data in the 0.2–0.4 keV band mirrored with respect to Galactic longitude l = 0. The eastern sky l = [0, 180] shows the ROSAT/RASS R12 (0.11-0.284 keV) band map. The contour superimposed are the column density from the HI4PI survey: N_H1 = 2 × 10²⁰ (dotted), 5 × 10²⁰ (solid), and 1 × 10²¹ cm⁻² (dot dashed).

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