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Fig. 1
Differential energy spectra of PKS 1424+240 measured by MAGIC in 2009 (gray circles), 2010 (squares), and 2011 (black circles). The black downward arrow represents the 95% confidence level upper limit for 2011 data. The gray-shaded area represents the results obtained in 2009 with VERITAS (Acciari et al. 2010).
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