UBC 1146
0.54
UTI
0.58
CN
0.76
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
3.8 [arcmin]
- CN 0.58 Moderately populated
- Cdens 0.76 Dense
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1146 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is poorly 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 | 324.422 | 55.589 | 0.266 | -4.345 | -4.694 | -59.692 |
| Hu & Soubiran | 2025 | 324.435 | 55.582 | â | â | â | â |
| Hunt & Reffert | 2024 | 324.378 | 55.59 | 0.281 | -4.34 | -4.693 | -60.039 |
| Cavallo et al. | 2024 | 324.435 | 55.582 | 0.272 | â | â | â |
| Hunt & Reffert | 2023 | 324.378 | 55.59 | 0.281 | -4.34 | -4.693 | -60.039 |
| Castro-Ginard et al. | 2022 | 324.47 | 55.59 | 0.26 | -4.35 | -4.69 | -63.01 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.160* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 733* | â | â |
| Cavallo et al. | 2024 | 2.78 | 2.68 | â | 1549 | -0.210 | â | â | â |
| Hunt & Reffert | 2023 | 3.35 | 2.77 | 1.55 | 497 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 4.06 | 2.42 | â | 820 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.


Cavallo et al. (2024)
Gold sample.