Fig. 6
Spectra of five RSGs in Stephenson 2 and one possible runaway member (D39). The top four spectra are from AF2, while the bottom two are from ISIS, degraded to a similar resolution. Star D2 is a very late RSG, associated with an IRAS source and maser sources (compare to MY Cep in Fig. 3). The spectrum of D39 has very low quality, as this is a faint target.
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