Example of a galaxy with a weak circumnuclear region of the INT type. Panel a: location of spaxels with different BPT classifications for the MaNGA galaxy M-9506-09102. The spaxels with H II-region-like spectra are denoted by blue symbols, the spaxels with intermediate spectra in the circumnuclear region are marked by red symbols, and those in the disc by orange symbols. The circle is the kinematic center of the galaxy. Panel b: BPT diagram for the spectra of the individual spaxels. The colors correspond to the same classification as in panel a. Solid and short-dashed curves mark the demarcation line between AGNs and H II regions defined by Kauffmann et al. (2003) and Kewley et al. (2001), respectively. Panel c: variation with radius of the observed (non corrected for the instrumental profile) gas velocity dispersion. Panels a and c: 1 pixel = 0.275 kpc.