JHK color−color diagram based on 2MASS magnitudes corrected from interstellar extinction of Be stars observed in the first CoRoT runs. The box shows the area of Herbig HAe/Be stars. This diagram also shows the standard sequences of intrinsic colors of stars without emission lines having luminosity classes III and V. Both sequences overlap in the (J − K)o < 0.7 mag region (Glass et al. 1999). The Be stars are identified with the series number N∗ given in Table 2.
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