Cluster

parameters

AIC

χ r e d 2

Q

D

P K S

NGC 2362

a = 7.34 , b = 1.57 , c = 10.61

48.64

2.5

5.4 × 10−4

0.075

0.086

NGC 6611

a = 3.14 , b = 0.36 , c = 6.24

111.08

6.18

1 × 10−14

0.225

9.22 × 10−10

γ Velorum

a = 4.19 , b = 11.51 , c = 12.2

50

2.58

3.4 × 10−4

0.101

0.014

Berkeley 59

a = 5.73 , b = 19.57 , c = 14.46

54.14

2.83

8.1 × 10−5

0.086

3.2 × 10−3