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Table 2
Mass-weighted age and metallicity measured for the galaxies in our sample.
| Galaxy | Age | Metallicity |
| name | (Gyr) | [M/H] |
| (1) | (2) | (3) |
|
|
||
| IGR J01528-0326 | 8.4 ± 1.2 | 0.13 ± 0.04 |
| IGR J02524-0829 | 15.2 ± 0.8 | 0.01 ± 0.02 |
| IGR J04451-0445 | 9.6 ± 2.1 | 0.16 ± 0.05 |
| IGR J18244-5622 | 12.8 ± 1.1 | −0.17 ± 0.04 |
| IGR J18308+0928 | 11.5 ± 1.3 | 0.21 ± 0.02 |
| PBC J0041.6+2534 | 5.0 ± 1.1 | 0.19 ± 0.03 |
| PBC J0759.9+2324 | 14.4 ± 0.7 | 0.15 ± 0.01 |
| PBC J0919.9+3712 | 14.5 ± 0.6 | 0.06 ± 0.02 |
| PBC J0954.8+3724 | 15.5 ± 1.4 | 0.04 ± 0.02 |
| PBC J1246.9+5432 | 10.0 ± 0.9 | 0.21 ± 0.01 |
| PBC J1335.8+0301 | 14.5 ± 0.7 | 0.20 ± 0.02 |
| PBC J1344.2+1934 | 15.6 ± 1.0 | 0.04 ± 0.04 |
| PBC J1345.4+4141 | 14.8 ± 0.9 | 0.05 ± 0.03 |
| PBC J1546.5+6931 | 6.8 ± 1.7 | 0.05 ± 0.03 |
| Swift J0134.1-3625 | 15.4 ± 1.3 | 0.11 ± 0.03 |
| Swift J0501.9-3239 | 15.2 ± 1.4 | 0.10 ± 0.02 |
| Swift J0601.9-8636 | 9.7 ± 1.5 | 0.00 ± 0.04 |
| Swift J0811.5+0937 | 14.6 ± 1.1 | 0.17 ± 0.03 |
| Swift J0911.2+4533 | 15.7 ± 0.9 | −0.08 ± 0.02 |
| Swift J1238.9-2720 | 14.3 ± 1.1 | 0.06 ± 0.02 |
Notes.Column (1): object name. Column (2): mass-weighted age in Giga-years derived from the stellar population fitting. Column (3): mass-weighted metallicity derived from the stellar population fitting.
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