Fig. 5
Spectral index map of DEM L205 between wavelength of 36, 20, and 6 cm, covering the same field as Fig. 4. The sidebar gives the spectral index α, as defined in the introduction. The 36 cm contours (black) are overlaid, with the same levels as in Fig. 4. The Hα structures (Figs. 1 and 2) are sketched by the magenta contours.
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