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Fig. 2

image

Light curve of the afterglow of GRB 121024A. Top: XRT light curve from the XRT repository. Bottom: GROND light curve in grizJHKs. The best fit for the combined light curve (optical/NIR and X-ray data) is a smoothly broken power law with host contribution, shown with dashed lines. The epochs used for the spectral analysis are highlighted with the vertical bars. The break time tb = 49.8 ± 5.1 ks.

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