Table 1
Summary of main parameters for the ten clusters under study.
| OC | α | δ | RA | Dec | l | b | d ⊙ | R GC | z | [Fe/H] | σ[Fe/H] | [α/Fe] | σ[α/Fe] | Members | Age | Age |
| (J2000) | (J2000) | (hms) | (hms) | [kpc] | [kpc] | [kpc] | /targets | [Gyr] | Ref. | |||||||
|
|
||||||||||||||||
| Be 20 | 83.250 | 0.217 | 5 33 00 | 0 13 00 | 203.505 | −17.275 | 8.7 | 16.0 | −2.5 | −0.42 | 0.08 | 0.15 | 0.13 | 2/6 | 5.8 | A11 |
| Be 22 | 89.600 | 7.833 | 5 58 24 | 7 50 00 | 199.803 | −8.052 | 6.0 | 13.7 | −0.8 | −0.36 | 0.07 | 0.11 | 0.10 | 3/3 | 3.3 | V05 |
| Be 29 | 103.325 | 16.917 | 6 53 18 | 16 55 00 | 197.984 | 8.025 | 13.1 | 21.6 | 1.9 | −0.52 | 0.03 | 0.13 | 0.12 | 7/7 | 4.5 | C04 |
| Be 66 | 46.075 | 58.767 | 3 04 18 | 58 46 00 | 139.434 | 0.218 | 5.0 | 12.7 | 0.1 | −0.21 | 0.09 | 0.04 | 0.10 | 2/2 | 4.7 | V05 |
| Be 73 | 95.525 | −6.317 | 6 22 06 | −6 19 00 | 215.259 | −9.387 | 9.7 | 16.4 | −1.6 | −0.28 | 0.08 | −0.01 | 0.11 | 2/6 | 1.5 | C07 |
| Be 75 | 102.246 | −23.992 | 6 48 59 | −23 59 30 | 234.299 | −11.193 | 9.1 | 15.5 | −1.7 | −0.38 | 0.14 | 0.24 | 0.17 | 1/2 | 4 | C07 |
| Rup 7 | 104.467 | −13.224 | 6 57 52 | −13 13 25 | 225.449 | −4.589 | 6.5 | 13.8 | −0.5 | −0.37 | 0.04 | 0.02 | 0.07 | 5/5 | 0.8 | C07 |
| Rup 4 | 102.225 | −10.533 | 6 48 54 | −10 32 00 | 222.047 | −5.339 | 4.9 | 12.0 | −0.4 | −0.14 | 0.06 | 0.03 | 0.12 | 3/5 | 0.8 | C07 |
| Sau 1 | 109.575 | 1.887 | 7 18 18 | 1 53 12 | 214.317 | 6.836 | 13.2 | 19.2 | 1.6 | −0.36 | 0.06 | 0.08 | 0.04 | 2/2 | 5 | C04 |
| Tom 2 | 105.771 | −20.817 | 7 03 05 | −20 49 00 | 232.832 | −6.880 | 7.9 | 14.2 | −0.9 | −0.27 | 0.13 | 0.23 | 0.24 | 2/5 | 2 | A11 |
Notes. The RGC values are computed using the literature value for d⊙ and RGC, ⊙ = 8.3 kpc. The [Fe/H] and [α/Fe] values are those derived in Sect. 4.1 of this study. The locations of these clusters are shown in Figs. 1, and 6.
Reference. C04: Carraro et al. (2004); V05: Villanova et al. (2005); C07: Carraro et al. (2007); A11: Andreuzzi et al. (2011); F08: Frinchaboy et al. (2008).
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