Astronomy & Astrophysics

Table 1: VLA observational log and image parameters.
Table 2: H168 $\alpha$ , H92 $\alpha$ and H75 $\alpha$ line parameters for NGC 253.
Table 3: Positions of the H92 $\alpha$ and H75 $\alpha$ line emitting sources in the 15 pc region.
Table 4: Parameters for the H92 $\alpha$ sources in the 15 pc region.
Table 5: Model results for the extranuclear H92 $\alpha$ sources.
Table 6: Model results for the H92 $\alpha$ sources in the 15 pc region.
Table 7: Observational and derived parameters of Components I, II and III.
Table A.1: Continuum sources in the 1.4 GHz VLA C and BnA configuration images.