Table A.2.
Age and metallicity estimates of all the west halo clusters available from the literature.
| Cluster | Age | Reference | [Fe/H] | Reference |
|---|---|---|---|---|
| [Gyr] | ||||
| WH clusters already studied in common with our sample | ||||
| K9, L13 | 0.40 | 1 | −1.12 ± 0.05 | 2 |
| 0.50 | 3 | − | − | |
| NGC152 |
 |
4 |
 |
4 |
| − | − | −0.72 ± 0.02 | 5 | |
| − | − | −0.73 ± 0.11 | 6 | |
| − | − | −1.25 ± 0.25 | 7 | |
| 1.40 ± 0.20 | 8 | −0.94 ± 0.15 | 8 | |
| 1.23 ± 0.07 | 9 | −0.87 ± 0.07 | 9 | |
| B2 | 1.80 ± 0.70 | 9 | −1.00± | 9 |
| K6, L9 | 1.60 ± 0.20 | 10 | −0.63 ± 0.03 | 2 |
| K8, L12 |
 |
4 |
 |
4 |
| 1.30 | 11 | −0.70 ± 0.03 | 2 | |
| 2.94 ± 0.31 | 9 | −1.12 ± 0.15 | 9 | |
| B4 | 3.80 ± 0.60 | 9 | −1.19 ± 0.24 | 9 |
| K7 |
 |
4 |
 |
4 |
| 3.50 ± 1.00 | 12,10 | −0.81 ± 0.04 | 12 | |
| 3 | 13 | −0.80 ± 0.04 | 13 | |
| L14 | 2.80 ± 0.40 | 9 | −1.14 ± 0.11 | 9 |
| K11 | 1.47 ± 0.11 | 9 | −0.78 ± 0.19 | 9 |
| L2 |
 |
4 |
 |
4 |
 |
14 |
 |
14 | |
| HW1 |
 |
14 |
 |
14 |
| HW5 | 4.30 ± 0.90 | 9 | −1.28 ± 0.32 | 9 |
| AM3 | 5 − 6 | 15 | ∼−1.30 | 15 |
| 6.00 ± 0.15 | 16 | −1.25 ± 0.25 | 16 | |
 |
17 |
 |
17 | |
 |
14 |
 |
14 | |
 |
4 |
 |
4 | |
| NGC121 | 10.5 ± 0.50 | 18 | −1.19 ± 0.12 | 12 |
| − | − | −1.28 ± 0.06 | 19 | |
| − | − | −1.41 ± 0.42 | 20 | |
| − | − | −1.51 ± 0.42 | 21 | |
| WH clusters already studied, but not in our sample | ||||
| B6 | 0.13 ± 0.04 | 9 | −0.04 ± 0.06 | 9 |
| L3 |
 |
14 |
 |
14 |
| − | − | −0.90 ± 0.05 | 22 | |
| K5, L7 | 1.60 ± 0.20 | 23 | −0.76 ± 0.06 | 24 |
| HW6 | 3.20 ± 0.90 | 9 | −1.32 ± 0.28 | 9 |
| L5 | 3.70 ± 0.50 | 23 | −1.25 ± 0.05 | 24 |
| K3, L8 | 6.50 ± 0.50 | 25 | −0.85 ± 0.03 | 2 |
| 3.5 ± 1 | 22 | −0.93 | 22 | |
| 4.70 ± 0.60 | 27 | −1.16 ± 0.09 | 27 | |
| L1 | 7.50 ± 0.50 | 25 | −1.04 ± 0.03 | 2 |
| K1, L4 | 7.90 ± 1.10 | 23 | −1.08 ± 0.04 | 24 |
| K4, L6 | 8.70 ± 1.20 | 23 | −1.24 ± 0.03 | 24 |
| L11 | 3.00 ± 0.40 | 13 | −0.83 ± 0.06 | 5 |
Nearly all clusters from our sample, except B1, were studied before with different techniques. The total 24 clusters plus B1 account for ∼60% of the total number of WH clusters listed in the Bica et al. (2020) catalogue. The other 16 clusters are: OGLS 263 − 273, 316, 321, 330, BS4, BS5, H8612, H8615.
References : (1) Nayak et al. (2018); (2) Parisi et al. (2015); (3) Glatt et al. (2010); (4) Dias et al. (2022); (5) Parisi et al. (2022); (6) Song et al. (2021); (7) Bica et al. (1986); (8) Crowl et al. (2001); (9) Dias et al. (2016a); (10) Piatti et al. (2005); (11) Rafelski & Zaritsky (2005); (12) Da Costa & Hatzidimitriou (1998); (13) Livanou et al. (2013); (14) Dias et al. (2014); (15) Da Costa (1999); (16) Piatti (2011); (17) Maia et al. (2019); (18) Glatt et al. (2008a); (19) Dalessandro et al. (2016); (20) Johnson et al. (2004); (21) Zinn & West (1984); (22) De Bortoli et al. (2022); (23) Parisi et al. (2014); (24) Parisi et al. (2009); (25) Glatt et al. (2008b); (26) Mould et al. (1992); (27) Mighell et al. (1998).
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