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Fig. 8.
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1 keV emission lines of 13 bursts with the blackbody radius. The Lyα transition of Ne X in the rest frame at 1.022 keV is plotted with blue dot line. The Fe L shell transitions at 1.045, 1.055 and 1.066 keV are plotted with red dot line, see e.g., Guichandut et al. (2021).
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