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Fig. 1.


Reddening and visual apparent magnitude at the level of the horizontal branch for the globular clusters observed in Saviane et al. (2012) and this work. Data are from the Harris catalogue. The dashed line shows the V magnitude of the horizontal branch (assuming V0,HB = 0.5) for a cluster at the distance of the bulge (8 kpc) and subject to different degrees of extinction.

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