Fig. 1
Reconstructed shower direction θ2 for the Off (gray shaded area) and On (black crosses) data as observed on January 16, 2007 by MAGIC. The vertical dotted line corresponds to the apriori defined signal region. An excess of 64 events is clearly visible in the On data as compared to the normalized Off data. The corresponding pre-trial significance is 5.6σ and 5.4σ after correction for seven trials, respectively.
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