UPK 587
0.61
UTI
0.44
CN
0.56
Cdens
0.75
CC3
0.65
Clit
1.0
Cdup
Radius (P>50% members)
15.2 [arcmin]
- CN 0.44 Poorly populated
- Cdens 0.56 Moderately dense
- CC3 0.75 High quality
- Clit 0.65 Moderately studied
- Cdup 1.0 Unique
Overview
UPK 587 is a poorly populated, moderately dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.
Close
Low extinction
Near-solar metallicity
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 201.078 | -49.914 | 1.114 | -8.863 | -2.603 | -20.612 |
| Li et al. | 2025 | 200.909 | -49.907 | 1.112 | -8.828 | -2.618 | â |
| Almeida et al. | 2025 | 201.018 | -49.87 | â | â | â | â |
| Alfonso et al. | 2024 | 201.053 | -49.904 | 1.046 | -8.864 | -2.621 | â |
| Hunt & Reffert | 2024 | 201.15 | -49.927 | 1.103 | -8.788 | -2.621 | -17.049 |
| Cavallo et al. | 2024 | 201.089 | -49.891 | 1.112 | â | â | â |
| Hunt & Reffert | 2023 | 201.15 | -49.927 | 1.103 | -8.788 | -2.621 | -17.049 |
| Tarricq et al. | 2022 | 200.973 | -49.906 | 1.088 | -8.921 | -2.52 | â |
| Dias et al. | 2021 | 201.018 | -49.87 | 1.104 | -8.854 | -2.615 | -8.411 |
| Cantat-Gaudin et al. | 2020 | 200.909 | -49.907 | 1.112 | -8.828 | -2.618 | â |
| Cantat-Gaudin & Anders | 2020 | 201.024 | -49.847 | 1.106 | -8.864 | -2.577 | â |
| Sim et al. | 2019 | 201.099 | -49.823 | â | -8.82 | -2.6 | â |
đĄ Note: The UCC values are estimated from its identified members.
| Reference | Year | Dist [kpc] | Av [mag] | DAv [mag] | Age [Myr] | [Fe/H] [dex] | Mass [Msun] | Bfr | BSS |
|---|---|---|---|---|---|---|---|---|---|
| Li et al. | 2025 | 1.02 | 0.20 | â | 149 | 0.358 | â | â | â |
| Almeida et al. | 2025 | 0.87 | 0.25 | â | 104 | â | 80 | â | â |
| Alfonso et al. | 2024 | 0.90 | 0.14 | â | 112 | 0.125 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 98* | â | â |
| Cavallo et al. | 2024 | 0.87 | 0.16 | â | 275 | 0.350 | â | â | â |
| Hunt & Reffert | 2023 | 0.85 | 0.16 | 0.63 | 146 | â | â | â | â |
| Tarricq et al. | 2022 | 0.88 | â | â | 129 | â | â | â | â |
| Dias et al. | 2021 | 0.87 | 0.25 | â | 104 | 0.125 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 0.90 | 0.14 | â | 117 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 0.88 | â | â | â | â | â | â | â |
| Sim et al. | 2019 | 0.89 | â | â | 89 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.
Cavallo et al. (2024)
Gold sample.