Table 1
Main parameters for intermediate-age clusters and associations.
| Group | Other | Distance | Age | [Fe/H] | NPrim | NPrim (core) | MCore | MOrig | Gaialim | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| (pc) | (Myr) | >0.8 M⊙ | >0.8 M⊙ | M⊙ | M⊙ | M⊙ | ||||
| Ursa Major | Collinder 285 | 26.3 | 415 | 0.00 | 64 | 13 | 55 | 415± 165 | 0.058 | King et al. (2003); Gagné & Faherty (2018) |
| Nakajima et al. (2010); Elsanhoury (2020) | ||||||||||
| Coma Berenices | Melotte 111 | 90.6 | 530 | 0.00 | 119 | 42 | 87 | 587 ± 245 | 0.083 | Olivares et al. (2023) |
| Hyades | Melotte 25 | 46.5 | 625 | 0.13 | 169 | 129 | 450 | 1200 ± 400 | 0.078 | Perryman et al. (1998); Lodieu et al. (2019) |
Notes. NPrim is the number of primaries with a mass >0.8 M⊙ considered in this paper; MCore is the present mass of the core of the cluster; MOrig is the original mass of the cluster derived as described in the text; and Gaialim is the mass of a star or BD in the cluster corresponding to a magnitude of G = 19.
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