Table 2: Reddening, distance modulus, and photometric parameters of the MSTO for our sample GCs.
Cluster E_B-V^a (m-M)_V^a $V_{\rm MSTO}$ $(B-V)_{\rm MSTO}$

NGC 288 0.03 14.83 18.90^b 0.46^b

NGC 362 0.05 14.81 similar to NGC 288^c

NGC 5286 0.24 15.95 20.05^d 0.73^d

M 22 0.34 13.60 17.70^e 0.75^e

Ter 7 0.07 17.05 20.96^f 0.52^f

M 55 0.08 13.87 17.89^g 0.50^g

M 15 0.10 15.37 0.50^h 19.40^h

Pal 12 0.02 16.47 $\sim$ 20.5ⁱ 0.452ⁱ

^a Harris (1996); ^b Alcaino et al. (1997); ^c Bellazzini et al. (2001); ^d Samus et al. (1995a); ^e Samus et al. (1995b); ^f Buonanno et al. (1995); ^g Alcaino et al. (1992); ^h Durrell & Harris (1993); ⁱ Stetson et al. (1989).