UBC 275
0.66
UTI
0.3
CN
1.0
Cdens
1.0
CC3
0.5
Clit
1.0
Cdup
Radius (P>50% members)
1.4 [arcmin]
- CN 0.3 Poorly populated
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.5 Moderately studied
- Cdup 1.0 Unique
Overview
UBC 275 is a poorly populated, very dense object of very high C3 quality. Its parallax locates it at a moderate 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.
Distant
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 | 167.718 | -65.708 | 0.231 | -5.533 | 2.325 | -15.693 |
| Li et al. | 2025 | 167.723 | -65.714 | 0.214 | -5.552 | 2.311 | â |
| Almeida et al. | 2025 | 167.715 | -65.713 | â | â | â | â |
| Hunt & Reffert | 2024 | 167.713 | -65.711 | 0.233 | -5.521 | 2.319 | -21.255 |
| Cavallo et al. | 2024 | 167.708 | -65.709 | 0.235 | â | â | â |
| Hunt & Reffert | 2023 | 167.713 | -65.711 | 0.233 | -5.521 | 2.319 | -21.255 |
| Dias et al. | 2021 | 167.715 | -65.713 | 0.21 | -5.502 | 2.306 | â |
| Cantat-Gaudin et al. | 2020 | 167.723 | -65.714 | 0.214 | -5.552 | 2.311 | â |
| Castro-Ginard et al. | 2020 | 167.728 | -65.723 | 0.209 | -5.524 | 2.305 | 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 | 3.53 | 1.54 | â | 227 | -0.073 | â | â | â |
| Almeida et al. | 2025 | 3.83 | 1.63 | â | 200 | â | 372 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 316* | â | â |
| Cavallo et al. | 2024 | 3.55 | 1.53 | â | 347 | 0.100 | â | â | â |
| Hunt & Reffert | 2023 | 3.75 | 1.28 | 0.45 | 332 | â | â | â | â |
| Dias et al. | 2021 | 3.83 | 1.63 | â | 200 | 0.008 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 4.13 | 1.31 | â | 219 | 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: intermediate fit.
Cavallo et al. (2024)
Gold sample.