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Fig. 2


Optical lightcurve of the 2013 eruption of M 31N 2008-12a, data from Tang et al. (2013, ×, LT (3rd and 5th epochs), and Danish 1.54 m (4th and 6th epochs). Blue data: B, green: V, red: R, and black: I/i. Dotted lines indicate a template generic lightcurve based on the V (green) and R (red) observations of the 2008, 2011, 2012, and 2013 eruptions.

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