Table 1.
References for the chemical properties of globular and open clusters used in the comparison with model predictions.
| Cluster | MTO | Age | Ref. Mass & Age | Ref. [C/N] | Symbols |
|---|---|---|---|---|---|
| Tr 20 | 1.9 | 1.4 | Carraro et al. (2010); Donati et al. (2014) | GES | Black plus sign |
| NGC 104 | 0.89 | 12 | Charbonnel & Chantereau (2016) | GES | Dark cyan circle |
| according to VandenBerg et al. (2013) and Parada et al. (2016) | |||||
| NGC 1851 | 0.87 | 11 | Charbonnel & Chantereau (2016) | GES | Magenta square |
| according to VandenBerg et al. (2013) | |||||
| NGC 5927 | 0.94 | 11 | Charbonnel & Chantereau (2016) | GES | Blue diamond |
| according to VandenBerg et al. (2013) | |||||
| NGC 6705 | 3.30 | 0.3 | Santos et al. (2005) | GES | Yellow square |
| Cantat-Gaudin et al. (2014) | |||||
| NGC 2243 | 1.19 | 4.5 | WEBDA database | GES | Red square |
| Br 81 | 2.06 | 1.0 | Sagar & Griffiths (1998) | GES | Blue open diamond |
| NGC 6005 | 2.05 | 1.2 | Piatti et al. (1998) | GES | Black down triangle |
| NGC 6802 | 1.90 | 0.9 | Tang et al. (2017) | GES | Purple circle |
| Tr 23 | 2.05 | 0.8 | Overbeek et al. (2017) | GES | Green square |
| Br 31 | 1.52 | 2.9 | Cignoni et al. (2011) | GES | Yellow open square |
| Br 36 | 1.39 | 7 | Donati et al. (2012) | GES | Magenta plus sign |
| Melotte 71 | 3.65 | 0.2 | WEBDA database | GES | Pink open circle |
| NGC 6067 | 4.75 | 0.1 | WEBDA database | GES | Magenta circle |
| according to Alonso-Santiago et al. (2017) | |||||
| NGC 6253 | 1.32 | 3-5 | WEBDA database | GES | Purple plus sign |
| M67 | 1.6 | 2.6 | WEBDA database | GES | Green circle |
| NGC 6259 | 3.73 | 0.2 | WEBDA database | GES | Dark blue circle |
| Dias et al. (2002) | |||||
| Rup 134 | 2.18 | 1.0 | Carraro et al. (2006) | GES | Red circle |
| NGC 2324 | 2.7 | 0.44 | Tautvaišienė et al. (2016) | Red cross | |
| NGC 3960 | 2.2 | 0.9 | Tautvaišienė et al. (2016) | Blue plus sign | |
| NGC 6253 | 1.4 | 0.6 | Mikolaitis et al. (2012) | Black open circle | |
| NGC 2477 | 2.3 | 0.82 | Tautvaišienė et al. (2016) | Magenta up triangle | |
| Melotte 66 | 1.2 | 4 | Drazdauskas et al. (2016) | Black cross | |
| Collinder 261 | 1.1 | 6.0 | Mikolaitis et al. (2012) | Yellow circle | |
| Drazdauskas et al. (2016) | |||||
| NGC 6134 | 2.34 | 0.7 | Mikolaitis et al. (2010) | Blue open square | |
| NGC 2506 | 1.69 | 1.7 | Mikolaitis et al. (2011a) | Green up triangle | |
| IC 4651 | 1.69 | 1.7 | Mikolaitis et al. (2011b) | Red down triangle | |
Notes. For GES clusters, the approximate turn-off masses were evaluated using the theoretical PARSEC isochrones (Bressan et al. 2012) with the corresponding ages and metallicities. For globular clusters see the text; for clusters already published, we use the turn-off mass and age indicated in the corresponding article.
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