Cluster

parameters

AIC

χ r e d 2

Q

D

P K S

NGC 2362

b = 0.099 , c = 4.2

72.94

3.83

6.8 × 10−8

0.129

1.76 × 10−4

NGC 6611

b = 0.043 , c = 4.32

59.11

3.06

1.23 × 10−5

0.098

0.033

γ Velorum

b = 0.035 , c = 5.81

67.74

3.54

5 × 10−7

0.14

8 × 10−5

Berkeley 59

b = 0.032 , c = 4.75

81.47

4.3

2.35 × 10−9

0.167

8.62 × 10−11