Fig. 9
Spectra of SMC159-2 recorded in 2013 (φ = 0.96, thick black line) and 2014 (φ = 0.60, thinner red line) in selected spectral windows: clear changes in Balmer and He i lines can be seen, with stronger emissions in 2014, while photospheric He ii absorptions and interstellar lines arising in both the Galaxy and the SMC (e.g. Na D lines near 5900 Å) remain constant.
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