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Table 1

Dates, factor of flux increase, and flux-doubling times of flares found by the Bayesian block algorithm for the MAGIC light curve.

MJD Increase Flux-doubling time [days] Notes
54 438 3.0 ± 0.3 139* The flux rise follows the low flux in the beginning of 2007

54 467 2.2 ± 0.3 15 Two subsequent rises

54 481 2.5 ± 0.3 3 Two subsequent rises

54 502 2.0 ± 0.3 1 Flux rise in just one night

54 556 4.0 ± 0.6 10 Rise to the overall maximum flux value. The last given data point before this block was taken 19 days before

54 560 2.3 ± 0.5 2

54 613 5.5 ± 1.7 20 The rise to the maximum takes place in three single steps. The first rise of a factor of 2.1 follows an observation 21 days before. The following block has a length of 19 days. Subsequently, the flux rises by a factor of 1.4 in just two days and by a factor of 1.9 during the same time interval

54 622 2.0 ± 0.2 2

Notes. The given MJD identifies the first day of the highest block. See definition of VHE flare in the text.

(*)

Includes an observation gap of about half a year.

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