Fig. A.4
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Zoom-in onto part of the UVB spectra, corrected for radial velocity. This area highlights differences in the chemical compositions and ionisation states of the PN, as well as in the continuum of the central star. He2-436 and LMC-SMP-58 show broad bumps characteristic for WR stars. Other PNe also show features at or near 4650 Å, albeit mostly less pronounced.
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