Fig. 2
HeII emission-line (left panels), continuum (middle panels) and continuum-subtracted HeII (right panels) images for our HII region sample. Top row: MA 1 – middle row: BCLMP49 – bottom row: BCLMP40. Angular size of each image is 20″ × 20″ (~80 × 80 pc2 at our assumed distance of 840 kpc). The spatial resolution and orientation are the same as in Fig. 1 (see Sect. 2.1 for more details about the narrow-band images).
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