UPK 164
0.63
UTI
0.77
CN
1.0
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
10.9 [arcmin]
- CN 0.77 Rich
- Cdens 1.0 Very dense
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UPK 164 is a rich, very dense object of high C3 quality. Its parallax locates it at a close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is poorly studied in the literature.
Close
Moderate extinction
Near-solar metallicity
Very young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 324.022 | 58.758 | 1.071 | -1.533 | -3.263 | -16.45 |
| Hunt & Reffert | 2024 | 324.021 | 58.772 | 1.071 | -1.537 | -3.265 | -31.431 |
| Cavallo et al. | 2024 | 324.01 | 58.776 | 1.068 | â | â | â |
| Hunt & Reffert | 2023 | 324.021 | 58.772 | 1.071 | -1.537 | -3.265 | -31.431 |
| He et al. | 2022 | 323.933 | 58.791 | 1.068 | -1.537 | -3.262 | â |
| Sim et al. | 2019 | 324.26 | 58.714 | â | -1.46 | -3.26 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Hunt & Reffert | 2024 | â | â | â | â | â | 303* | â | â |
| Cavallo et al. | 2024 | 0.91 | 1.86 | â | 4 | -0.120 | â | â | â |
| Hunt & Reffert | 2023 | 0.89 | 1.86 | 2.22 | 4 | â | â | â | â |
| He et al. | 2022 | â | 2.35 | â | 6 | â | â | â | â |
| Sim et al. | 2019 | 0.93 | â | â | 18 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.