| Cluster | parameters | AIC |
| Q | D | PKS | F |
| NGC 2362 | b = 0.44, α = 1.825 | 81.58 | 9.69 | 1.49 × 10−13 | 0.125 | 3.13 × 10−4 | N |
| NGC 6611 | b = 0.165, α = 0.912 | 83.57 | 9.94 | 5.95 × 10−14 | 0.15 | 1.43 × 10−4 | N |
| γ Velorum | b = 0.267, α = 2.572 | 23.7 | 2.46 | 0.015 | 0.046 | 0.68 | Y |
| Berkeley 59 | b = 0.319, α = 2.68 | 37.63 | 4.2 | 4.72 × 10−5 | 5.1×10−2 | 0.209 | Y |