The spectrum of the narrow-lined star CPD-58 2620 (vsini = 60 km s-1 ) at the original resolving power R = 48 000 and degraded to R = 3000. Spectral classification from Walborn based on low-quality photographic spectra. Note that He I λ4471 appears of similar strength as He II λ4541 in the degraded spectrum, indicating the O7 subtype.
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