X-ray analysis of RX J1532.9+3021. Upper left panel:Chandra 0.5-7.0 keV image, with represented a portion of the extraction regions. Upper central panel: Residual image after the subtraction of a double β-model. Upper Right panel: Surface brightness profiles extracted along the direction of the regions depicted in the left panel. Lower Left panel: Best-fitting double β-model (blue line) with associated residuals of the western profile. Lower right panel: same as before for the eastern profile.