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Table 4

Spread of the (red and blue) clumps in the V, I and K bands for populations with Y = 0.25 (FG), Y = 0.35 (SG), and the mixed population (multiple).

t clump V mean σ V I mean σ I K mean σ K ΔVHe−b ΔIHe−b ΔKHe−b
Myr mag mag mag mag mag mag mag mag mag

tFG = 130 red –2.355 0.126 –3.3591 0.150 –4.925 0.215 0.467 0.516 0.701
tSG = 30 –4.578 0.022 –5.761 0.024 –7.633 0.031 0.136 0.133 0.142
multiple –3.802 1.062 –4.923 1.220 –6.689 1.297 2.545 2.716 3.108

tFG = 130 blue –3.278 0.059 –3.470 0.081 –3.669 0.125 0.232 0.305 0.494
tSG = 30 –5.311 0.169 –5.348 0.213 –5.268 0.308 0.788 1.079 1.531
multiple –4.888 0.839 –4.957 0.787 –4.936 0.706 2.760 2.818 2.964

tFG = 150 red –2.098 0.157 –3.080 0.188 –4.603 0.262 0.618 0.642 0.810
tSG = 50 –3.704 0.079 –4.814 0.063 –6.569 0.036 0.483 0.408 0.153
multiple –3.149 0.772 –4.214 0.834 –5.889 0.948 2.296 2.313 2.395

tFG = 150 blue –3.006 0.053 –3.264 0.067 –3.554 0.090 0.192 0.243 0.339
tSG = 50 –4.774 0.064 –4.900 0.074 –4.973 0.127 0.307 0.4351 0.689
multiple –4.145 0.846 –4.322 0.781 –4.493 0.694 2.160 2.058 1.992

tFG = 200 red –1.577 0.240 –2.529 0.282 –3.993 0.368 0.793 0.913 1.139
tSG = 100 –2.623 0.115 –3.647 0.098 –5.250 0.071 0.585 0.455 0.286
multiple –2.352 0.485 –3.358 0.517 –4.924 0.585 1.869 1.888 1.941

tFG = 200 blue –2.319 0.128 –2.812 0.117 –3.425 0.134 0.446 0.402 0.595
tSG = 100 –3.710 0.077 –4.073 0.050 –4.513 0.092 0.287 0.305 0.387
multiple –2.900 0.695 –3.338 0.629 –3.879 0.549 1.776 1.608 1.515

tFG = 400 red –0.401 0.290 –1.199 0.290 –2.355 0.295 1.081 1.130 1.118
tSG = 300 –0.868 0.292 –1.735 0.303 –3.015 0.323 0.988 1.027 1.079
multiple –0.657 0.373 –1.493 0.399 –2.717 0.452 1.563 1.712 1.882

tFG = 600 red 0.302 0.240 –0.496 0.239 –1.648 0.244 0.781 0.794 0.849
tSG = 500 –0.030 0.273 –0.861 0.286 –2.078 0.307 0.984 1.007 1.079
multiple 0.097 0.306 –0.721 0.322 –1.914 0.353 1.243 1.305 1.426

tFG = 800 red 0.552 0.249 –0.247 0.255 –1.411 0.258 0.807 0.846 0.889
tSG = 700 0.027 0.133 –0.821 0.151 –2.068 0.174 0.541 0.596 0.662
multiple 0.370 0.330 –0.446 0.353 –1.639 0.389 1.152 1.251 1.374

Notes. The age difference between the first- and second-generation stars is 100 Myr.

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