UBC 1439
0.39
UTI
0.3
CN
0.25
Cdens
0.75
CC3
0.31
Clit
1.0
Cdup
Radius (P>50% members)
4.3 [arcmin]
- CN 0.3 Poorly populated
- Cdens 0.25 Loose
- CC3 0.75 High quality
- Clit 0.31 Poorly studied
- Cdup 1.0 Unique
Overview
UBC 1439 is a poorly populated, loose object of 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 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 | 126.28 | -43.605 | 0.257 | -3.3 | 4.105 | 62.024 |
| Hu & Soubiran | 2025 | 126.282 | -43.624 | â | â | â | â |
| Hunt & Reffert | 2024 | 126.223 | -43.644 | 0.262 | -3.294 | 4.095 | 62.85 |
| Cavallo et al. | 2024 | 126.282 | -43.624 | 0.262 | â | â | â |
| Hunt & Reffert | 2023 | 126.223 | -43.644 | 0.262 | -3.294 | 4.095 | 62.85 |
| Castro-Ginard et al. | 2022 | 126.3 | -43.62 | 0.26 | -3.3 | 4.11 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Hu & Soubiran | 2025 | â | â | â | â | -0.290* | â | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 777* | â | â |
| Cavallo et al. | 2024 | 3.89 | 3.37 | â | 692 | -0.380 | â | â | â |
| Hunt & Reffert | 2023 | 3.54 | 2.77 | 2.01 | 895 | â | â | â | â |
| Castro-Ginard et al. | 2022 | 4.31 | 2.64 | â | 735 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.