Fig. A.2.
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Photospheric feature models for our six SNe Ia. The synthetic model spectra are shown in colour for each object with the observed spectra from Fig. 1 in grey. To aid comparison between the PV models and the observed Si IIλ6355 PV components, the HV components have been removed from the observed spectra by adding the best-fitting HV component Gaussian fit to the spectrum.
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