UBC 334
0.75
UTI
1.0
CN
1.0
Cdens
1.0
CC3
0.44
Clit
0.97
Cdup
Radius (P>50% members)
8.2 [arcmin]
- CN 1.0 Very rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.44 Poorly studied
- Cdup 0.97 Unique
Overview
UBC 334 is a very rich, 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 massive, near-solar metallicity, young cluster, but with a large variance across recent sources for the mass parameter (see Parameters). It is poorly studied in the literature.
Note: This is a unique object, which shares a very small percentage of members with at least one previously reported entry. See table with shared members information.
Relatively close
High extinction
Massive
Near-solar metallicity
Young
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | â | 265.579 | -30.73 | 0.617 | -0.747 | -1.303 | -11.933 |
| Wei et al. | 2025 | 265.576 | -30.728 | 0.62 | -0.743 | -1.315 | â |
| Hunt & Reffert | 2024 | 265.613 | -30.722 | 0.614 | -0.756 | -1.315 | -0.676 |
| Celli et al. | 2024 | 265.57 | -30.731 | â | â | â | â |
| Cavallo et al. | 2024 | 265.575 | -30.726 | 0.615 | â | â | â |
| Hunt & Reffert | 2023 | 265.613 | -30.722 | 0.614 | -0.756 | -1.315 | -0.676 |
| Cantat-Gaudin et al. | 2020 | 265.57 | -30.731 | 0.613 | -0.731 | -1.287 | â |
| Castro-Ginard et al. | 2020 | 265.557 | -30.739 | 0.615 | -0.722 | -1.278 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Wei et al. | 2025 | 1.54 | 3.26 | â | 66 | 0.250 | 2191 | 0.26 | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 7712* | â | â |
| Celli et al. | 2024 | â | â | â | 20 | â | 2376 | â | â |
| Cavallo et al. | 2024 | 1.48 | 4.20 | â | 62 | 0.320 | â | â | â |
| Hunt & Reffert | 2023 | 1.51 | 4.14 | 2.88 | 43 | â | â | â | â |
| Cantat-Gaudin et al. | 2020 | 1.70 | 3.06 | â | 20 | â | â | â | â |
(*): Indicates that this parameter is assigned more than one value in the corresponding reference.
Cavallo et al. (2024)
Gold sample.