Fig. 9.
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Optical light curves (r-band) of GRBs exhibiting rapid and significant rebrightening (see 4.6.3). These are compared to EP240414a (Srivastav et al. 2025; van Dalen et al. 2025; Sun et al. 2025) and EP241021a (this work). The sample includes GRBs 970508 (Pian et al. 1998), 060206 (Woźniak et al. 2006), 060906 (Cenko et al. 2009), 081029 (Nardini et al. 2011), 100418A (Marshall et al. 2011; de Ugarte Postigo et al. 2018), 100621A (Greiner et al. 2013), 100901A (Gorbovskoy et al. 2012), 111209A (Kann et al. 2018), and 130831A (Cano et al. 2014). The solid lines show the data smoothed using a median filter. Reproduced from de Ugarte Postigo et al. (2018).
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