Table 6
Open clusters used in Fig. 9.
| Cluster | M V | Age (Gyr) | Notes | References |
|
|
||||
| NGC 188 | −2.86 | 6.30 | 1 | 1,2 |
| NGC 752 | −2.85 | 1.24 | 1 | 2, 3 |
| NGC 1193 | −3.00 | 4.23 | 0 | 1, 2 |
| NGC 1798 | −3.46 | 1.40 | 0 | 1, 5 |
| NGC 2099 | −4.91 | 0.40 | 0 | 4, 6 |
| NGC 2158 | −2.81 | 1.91 | 1 | 1, 2 |
| NGC 2204 | −4.65 | 1.86 | 0 | 1 |
| NGC 2243 | −2.67 | 4.66 | 0 | 1, 2 |
| NGC 2266 | −3.83 | 0.70 | 0 | 1, 5 |
| NGC 2420 | −3.44 | 2.20 | 1 | 1, 2 |
| NGC 2506 | −4.49 | 2.14 | 0 | 2, 4 |
| NGC 2660 | −3.87 | 0.73 | 0 | 1, 2 |
| NGC 2682 | −3.16 | 4.30 | 1 | 1, 2 |
| NGC 6253 | −2.68 | 5.00 | 0 | 1 |
| NGC 6705 | −6.00 | 0.25 | 0 | 1,10 |
| NGC 6791 | −4.14 | 8.00 | 9 | 1 |
| NGC 6819 | −4.90 | 2.91 | 0 | 2, 7 |
| NGC 7142 | −0.73 | 4.04 | 0 | 2, 8 |
| NGC 7789 | −5.04 | 1.80 | 1 | 2, 4 |
| Berkeley 14 | −4.07 | 1.58 | 0 | 1 |
| Berkeley 18 | −4.90 | 5.69 | 0 | 1, 2 |
| Berkeley 21 | −3.41 | 2.18 | 0 | 1, 2 |
| Berkeley 22 | −3.27 | 4.26 | 0 | 1, 2 |
| Berkeley 29 | −4.64 | 4.34 | 1 | 1, 2 |
| Berkeley 31 | −2,57 | 5.32 | 0 | 1, 2 |
| Berkeley 32 | −2.97 | 5.91 | 0 | 1, 2 |
| Berkeley 39 | −4.28 | 7.00 | 1 | 1, 2 |
| Berkeley 54 | −3.21 | 7.27 | 0 | 2 |
| Berkeley 99 | −3.66 | 3.16 | 0 | 1 |
| IC 1311 | −3.90 | 1.58 | 0 | 1 |
| IC 4651 | −2.89 | 3.31 | 0 | 1 |
| Colinder 261 | −2.87 | 8.00 | 0 | 1,2 |
| Pismis 19 | −4.59 | 1.09 | 0 | 1 |
| Praesepe | −2.69 | 0.70 | 0 | 2,8 |
| To2 | −7.48 | 2.13 | 0 | 2,9 |
| Trumpler 5 | −5.06 | 5.67 | 0 | 1, 2 |
Notes. 0) Not studied; 1) No multiple sequences, chemical inhomogeneities not studied; 2) Neither multiple sequences nor chemical inhomogeneities; 3) No chemical inhomogeneities, multiple sequences not studied; 4) Doubtful; 5) Multiple sequences, no chemical inhomogeneities; 6) Chemical inhomogeneities, no multiple sequences; 7) Chemical inhomogeneities, multiple sequences not studied; 8) Multiple sequence, chemical inhomogeneities not studied; 9) Both multiple sequences and chemical inhomogeneities.
Reference. (1) Lata et al. (2002); (2) Salaris et al. (2004); (3) Spassova & Baev (1985); (4) Kharchenko et al. (2009); (5) Carrera (2012a); (6) Pancino et al. (2010a); (7) Sagar et al. (1983); (8) Gray (1965); (9) Pandey et al. (1989); (10) Carrera et al. (2007).
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