Fig. 3.
New I-band spectra of W1049 and W1069 plotted against a montage of cluster B0-B9 hypergiants in order to permit classification (with the highly luminous B4 Ia star Wd1-57a included for completeness). The spectrum of W1069 has been degraded in resolution (red dashed line) to enable direct comparison to the spectra of B5-9 hypergiants.
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