Cluster

parameters

AIC

χ r e d 2

Q

D

P K S

NGC 2362

b = 0.008 , c = 3.889

59.72

3.09

9.85 × 10−6

0.155

3.33 × 10−6

NGC 6611

b = 1.57 , c = 3.77

68.46

3.58

3.81 × 10−7

0.12

4.2 × 10−3

γ Velorum

b = 0.0027 , c = 5.86

79

4.16

6.2 × 10−9

0.195

1.86 × 10−8

Berkeley 59

b = 0.007 , c = 5.015

95.13

5.06

9 × 10−12

0.19

4.73 × 10−15