UBC 107
0.71
UTI
0.78
CN
1.0
Cdens
1.0
CC3
0.38
Clit
1.0
Cdup
Radius (P>50% members)
3.0 [arcmin]
- CN 0.78 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.38 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 107 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a massive, metal-poor, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is poorly studied in the literature.
Relatively close
Moderate extinction
Massive
Metal-poor
Intermediate age
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 279.769 | -4.804 | 0.333 | 0.993 | -1.696 | 36.035 |
| Li et al. | 2025 | 279.769 | -4.8 | 0.318 | 0.958 | -1.652 | â |
| Hunt & Reffert | 2024 | 279.768 | -4.797 | 0.339 | 0.983 | -1.703 | 35.312 |
| Cavallo et al. | 2024 | 279.769 | -4.801 | 0.339 | â | â | â |
| Hunt & Reffert | 2023 | 279.768 | -4.797 | 0.339 | 0.983 | -1.703 | 35.312 |
| Cantat-Gaudin et al. | 2020 | 279.769 | -4.8 | 0.318 | 0.958 | -1.652 | â |
| Castro-Ginard et al. | 2020 | 279.763 | -4.803 | 0.32 | 0.948 | -1.649 | 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 | 2.34 | 2.63 | â | 582 | -0.045 | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 1916* | â | â |
| Cavallo et al. | 2024 | 1.77 | 3.57 | â | 200 | -1.290 | â | â | â |
| Hunt & Reffert | 2023 | 2.75 | 2.80 | 1.52 | 259 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 2.50 | 2.69 | â | 234 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.