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Table 4
Parameters used to simulate synthetic spectra of rMS and bMS stars and estimation of helium difference between the two population for different ICUT in the case of NGC 6121.
| I CUT | T EFF,bMS | T EFF,rMS | log gbMS | log grMS | ΔY |
|
|
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| 17.3 | 5542 | 5571 | 4.58 | 4.57 | 0.014 |
| 17.5 | 5397 | 5444 | 4.60 | 4.60 | 0.021 |
| 17.7 | 5247 | 5297 | 4.63 | 4.63 | 0.022 |
| 17.9 | 5095 | 5149 | 4.65 | 4.65 | 0.024 |
| 18.1 | 4944 | 4989 | 4.66 | 4.66 | 0.021 |
|
|
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| Average | 0.020, σ = 0.008 | ||||
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