Fig. 3
(J,J − Ks) colour–magnitude diagram in the 2MASS system combining NaCo and IRSF data (respectively, in blue and black). The red dot is the magnitude/colour of the source derived from the source characterisation (Sect. 4.1). The values are not corrected for interstellar extinction. The red clump (RCG) is fitted by the red over-plotted 10 Gyr, solar-metallicity isochrone from Bressan et al. (2012).
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