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Fig. 2


Energy (Ef) and duration (Tf) of X-ray flares on CMa R1 sources (open circles) compared with those observed on members of Taurus molecular cloud (Stelzer et al. 2007), where classical and weak T Tauri are represented by filled circles and squares, respectively. Filled triangles show young stellar objects associated with the η Chamaleontis cluster (López-Santiago et al. 2010).

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