UBC 61
0.50
UTI
0.26
CN
1.0
Cdens
0.25
CC3
0.5
Clit
1.0
Cdup
Radius (P>50% members)
4.3 [arcmin]
- CN 0.26 Poorly populated
- Cdens 1.0 Very dense
- CC3 0.25 Low quality
- Clit 0.5 Moderately studied
- Cdup 1.0 Unique
Overview
UBC 61 is a poorly populated, very dense object of low C3 quality. Its parallax locates it at a relatively close distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.
Relatively close
Moderate 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 | 75.068 | 36.227 | 0.786 | 2.014 | -2.194 | -0.844 |
| Li et al. | 2025 | 75.067 | 36.23 | 0.743 | 2.079 | -2.17 | â |
| Hunt & Reffert | 2024 | 75.082 | 36.223 | 0.766 | 2.0 | -2.193 | 14.951 |
| Cavallo et al. | 2024 | 75.006 | 36.272 | 0.772 | â | â | â |
| Hunt & Reffert | 2023 | 75.082 | 36.223 | 0.766 | 2.0 | -2.193 | 14.951 |
| Cantat-Gaudin et al. | 2020 | 75.067 | 36.23 | 0.743 | 2.079 | -2.17 | â |
| Cantat-Gaudin & Anders | 2020 | 75.067 | 36.23 | 0.743 | 2.079 | -2.17 | â |
| Castro-Ginard et al. | 2019 | 75.062 | 36.269 | 0.751 | 2.096 | -2.168 | 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 | 1.30 | 1.64 | â | 603 | 0.065 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 326* | â | â |
| Cavallo et al. | 2024 | 1.28 | 1.92 | â | 447 | 0.240 | â | â | â |
| Hunt & Reffert | 2023 | 1.25 | 1.91 | 1.96 | 474 | â | â | â | â |
| Tarricq et al. | 2022 | 1.25 | â | â | 891 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 1.31 | 1.24 | â | 832 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 1.29 | â | â | â | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.