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Fig. 10.

image

Evolution of the radius as a function of time for SN 2020faa (binned in 10 days) compared to the extraordinary iPTF14hls and the regular Type II SN 1999em. This figure closely follows the presentation from A17 (their Fig. 4) and shows estimates for the radius evolution from two different methods for the three different SNe. A main theme in A17 was that for iPTF14hls, the radius evolution estimated from the BB approximation and the radius estimated from the spectroscopic velocities were different and diverged with time.

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