Open Access
Table 4
Parameters of the clusters HSC 1640 and Theia 139.
| Parameter | Units | HSC 1640 | Theia 139 |
|---|---|---|---|
| Spectroscopic parameters | |||
| RV | (km s−1) | 13.4 ± 0.5 | 16.3 ± 0.3 |
| Astrometric parameters | |||
| α(J2000) | (deg) | 68.18 ± 0.39 | 82.87 ± 0.16 |
| δ(J2000) | (deg) | −9.61 ± 0.33 | −1.21 ± 0.18 |
| μα | (mas yr−1) | 2.09 ± 0.09 | −2.84 ± 0.06 |
| μδ | (mas yr−1) | −3.73 ± 0.09 | −4.54 ± 0.07 |
| ParallaxA str | (mas) | 4.25 ± 0.03 | 3.11 ± 0.02 |
| NG<18 | 59 | 22 | |
| Photometric parameters (a) | |||
| ParallaxPhot | (mas) | 5.01 ± 0.19 | 2.59 ± 0.11 |
| E(GBP − GBP) | (mag) | 0.29 ± 0.12 | 0.16 ± 0.11 |
| log τ | (dex) | 7.42 ± 0.14 | 7.52 ± 0.05 |
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