Fig. 2.
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Photometric data of SN 2020dpw (left) and SN 2021sjt (right) from different sources (see Section 2). The filled dots denote RC80 and BRC80 data, respectively, while the empty triangles are the LCO data. The purple-shaded regions in each panel refer to the time interval, where the expanding photosphere method was applied (see explanation in Sect. 4).
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