UBC 347
0.78
UTI
0.58
CN
1.0
Cdens
1.0
CC3
0.65
Clit
1.0
Cdup
Radius (P>50% members)
4.7 [arcmin]
- CN 0.58 Moderately populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.65 Moderately studied
- Cdup 1.0 Unique
Overview
UBC 347 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is moderately studied in the literature.
Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.
Relatively close
High 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 | 276.736 | -10.977 | 0.729 | -1.424 | -4.94 | 3.116 |
| Li et al. | 2025 | 276.722 | -10.968 | 0.721 | -1.404 | -4.909 | â |
| Hu & Soubiran | 2025 | 276.717 | -10.949 | â | â | â | â |
| Almeida et al. | 2025 | 276.727 | -10.954 | â | â | â | â |
| Hunt & Reffert | 2024 | 276.743 | -10.979 | 0.732 | -1.418 | -4.932 | 4.784 |
| Cavallo et al. | 2024 | 276.717 | -10.949 | 0.732 | â | â | â |
| Hunt & Reffert | 2023 | 276.743 | -10.979 | 0.732 | -1.418 | -4.932 | 4.784 |
| Almeida et al. | 2023 | 276.73 | -10.968 | â | â | â | â |
| Tarricq et al. | 2022 | 276.74 | -10.979 | 0.729 | -1.41 | -4.933 | â |
| Dias et al. | 2021 | 276.727 | -10.954 | 0.724 | -1.4 | -4.914 | â |
| Cantat-Gaudin et al. | 2020 | 276.722 | -10.968 | 0.721 | -1.404 | -4.909 | â |
| Castro-Ginard et al. | 2020 | 276.719 | -10.959 | 0.723 | -1.391 | -4.921 | 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 | 1.22 | 2.94 | â | 836 | 0.055 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.040* | â | â | â |
| Almeida et al. | 2025 | 1.38 | 3.10 | â | 190 | â | 212 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 707* | â | â |
| Cavallo et al. | 2024 | 1.08 | 3.23 | â | 617 | -0.330 | â | â | â |
| Hunt & Reffert | 2023 | 1.29 | 3.09 | 2.06 | 262 | â | â | â | â |
| Almeida et al. | 2023 | 1.27 | 3.00 | â | 533 | 0.069 | 232* | 0.69 | â |
| Tarricq et al. | 2022 | 1.38 | â | â | 891 | â | â | â | â |
| Dias et al. | 2021 | 1.38 | 3.10 | â | 190 | 0.090 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 1.45 | 2.30 | â | 851 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.
Cavallo et al. (2024)
Gold sample.